How They Automate on Mobile

Kind of topics here

• Testing
• Tooling
• CI/CD

Companies

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Adobe

• Automate and Speed Up iOS Builds with Xcode Server, 2021

Adore Me

• Android and iOS App testing with Appium and WireMock, 2019 (series of articles)

Agoda

• Optimizing CI/CD Processes with Selective Testing, 2024

Airbnb

• Writing fast, deterministic and accurate Android Integration tests, 2017
• Building Mixed-Language iOS Project with Buck, 2017
• Our Swift Style Guide Is Now Open Source, 2019
• Better Android Testing, 2019 (series of articles)
• Which hardware are you using to run your CI, 2021
• Accelerating Mobile UI, 2021
• Testing strategy, 2021
• Airbnb’s Page Performance Score on iOS, 2021
• Airbnb’s Page Performance Score on Android, 2021
• Automated UI Infrastructure in Jetpack Compose using KSP, 2023
• Flexible Continuous Integration for iOS, 2023
• Migrating Our iOS Build System from Buck to Bazel, 2024

Apple

• Testing
• Distribution
• Continuous integration and delivery
• UI Testing in Xcode, 2015
• Automating App Store Connect, 2018
• What's New in Testing, 2018
• Testing Tips & Tricks, 2018
• Testing in Xcode, 2019
• Expanding automation with the App Store Connect API, 2020
• Identify trends with the Power and Performance API, 2020
• Eliminate animation hitches with XCTest, 2020
• Write tests to fail, 2020
• XCTSkip your tests, 2020
• Handle interruptions and alerts in UI tests, 2020
• Get your test results faster, 2020
• Use Swift on AWS Lambda with Xcode, 2020
• Triage test failures with XCTIssue, 2020
• Diagnose Power and Performance regressions in your app, 2021
• Distribute apps in Xcode with cloud signing, 2021
• Embrace Expected Failures in XCTest, 2021
• Meet Xcode Cloud, 2021
• Customize your advanced Xcode Cloud workflows, 2021
• Diagnose unreliable code with test repetitions, 2021
• Author fast and reliable tests for Xcode Cloud, 2022
• Get the most out of Xcode Cloud, 2022
• Deep dive into Xcode Cloud for teams, 2022

Asana

• Scaling a Mature iOS Codebase with Tuist, 2023

ASOS

• Witness the (Android) fitness, 2019

AutoScout24

• Optimise battery usage of Android Applications, 2023
• Xcode Build Time Optimization, 2023
• iOS UI Testing with Deep Links, 2023

Avito

• Open source: CI/CD and test infrastructure for Android, 2019
• Workaround for Android lint that doesn't use Gradle Worker API, 2020
• Removal of ui tests impact analysis functionality, 2021
• Which hardware are you using to run your CI, 2021
• Testing strategy, 2021
• Emcee — the test runner for iOS developers, 2022

Babbel

• Continuous integration for mobile, 2015
• An approach to TDD in Android, 2016
• Android Modular Project – Organizing your library dependencies, 2017
• Introduction to Test Automation, 2017
• Different ways to manage feature toggles on iOS, 2019

Badoo

• iOS Parallel Automation, 2017
• Automate the impossible: blending the best of Android drivers, 2018
• Uncover Secrets of Your App with EspressoDriver, 2019

Bam.tech

• Use Systrace to debug your Android app performance, 2021
• Tuist, iOS developer’s new best friend, 2022
• Setting up a modular iOS app for multiple environments with Tuist, 2022
• Adopting Tuist on an Existing Project, 2022
• Android app performance: optimize startup time with “above the fold” technique, 2023
• Swift mocking and generating fake data: building effective and maintainable tests, 2023
• Unlocking New Possibilities with Maestro: Beyond Automated Testing, 2024

Barrage

• Integrating Code Formatting into Your Android Projects, 2024

BBC

• Testing BBC iPlayer Release For Android Downloads, 2013
• Automating testing for BBC iPlayer mobile, 2014 (series of articles)

BestSecret

• Evolving our Android CI to the Cloud, 2024 (series of articles)

BigPay

• How BigPay Increased Flutter Developer Velocity: CI/CD for Flutter Android, 2024
• How BigPay Increased Flutter Developer Velocity: CI/CD for Flutter iOS, 2024

Bilue

• How to version your app in a continuous development world, 2021
• Caring for your dependency garden: An approach to Android Dependency Management, 2022 (series of articles)
• Elevating UI Automation: Testing Compose Animations Beyond Appium’s Reach, 2024

BlaBlaCar

• 4 tips to master XCTestExpectation, 2017
• Building our Lego library on iOS, 2017
• Reducing the build time of BlaBlaCar’s Android app, 2021
• How to make your Android app resilient to process death?, 2022

Box

• Virtualizing Mac Infrastructure at Scale, 2019

Bumble

• Add Superpowers to your Appium-Android tests, 2018
• The secret to great code reviews, 2018
• White-box testing with Appium Espresso Driver, 2019
• Swift Package Manager builds iOS frameworks, 2019
• Continuous delivery for your Kotlin Multiplatform library, 2019
• Using Hopper to investigate an iOS bug, 2020
• Catching bugs on the client-side: how we developed our error tracking system, 2020
• Automating Android Jetpack Compose using Appium, 2021
• Mobile test automation practices, 2021 (series of articles)
• Android Lint and Detekt warnings in GitHub pull requests, 2022
• How to compare .apk / .aab files, 2023 (series of articles)
• Crafting Android bytecode analysis tooling using a secret ingredient, 2024 (series of articles)
• Scaling iOS at Bumble, 2024 (series of articles)

CapitalOne

• Test-Driven Development – Ready, Set, Go with Google Cloud Test Lab, 2016
• Robot Pattern Testing for XCUITest, 2018
• Improvement and Parallelization of Android Automation Testing, 2020
• Using Stub vs Mock in iOS Unit Testing, 2020
• Using Apple’s Main Thread Checker Tool on UI Tests, 2021
• Getting Started With iOS UI Testing, 2021

Careem

• Kotlin Multiplatform tests with MockingBird, 2021
• Source, binary and backward compatibility rule them all, 2024
• Kotlin Mobile Monorepo, 2024

Carousell

• Carousell scales app automation with Browserstack, 2022

Carsales

• Which hardware are you using to run your CI, 2021

Cash App

• Making iOS Accessibility Testing Easy, 2020
• Taking Bug Reporting Further, 2021
• Great teams merge fast, 2021
• Debugging UI Issues with AardvarkReveal, 2021
• Migrating from Burst to TestParameterInjector, 2021
• Flow testing with Turbine, 2023
• Mocking isn't evil, but avoid it anyway, 2023

CheQ

• Automating pre-production iOS app builds, 2024

Circle K

• Testing strategy, 2021

ClearPoint

• Automating large scale refactors using lint and generative AI, 2024

CodeStax.Ai

• iOS mobile application automation testing using Appium, 2022
• Mobile Automation Testing using Appium and Python, 2023
• Mobile Automation Testing with Cucumber, Appium, and Allure Reporting for iOS, 2024

Compass

• Compass Mobile Engineering, 2017
• Automated Mobile Distributions, 2017
• How to UI Test Push Notifications and Universal Links in the iOS Simulator, 2021
• Moving Fast With Maps (Automation) On iOS, 2021

Disney + Hotstar

• Using Apple's Testing Mjölnir: XCUITest, 2020

Dodo Pizza

• QA Mobile Technology Radar, 2023
• iOS Technology Radar, 2023
• Android Technology Radar, 2023
• Release Train in mobile development, 2023

DoorDash

• Why We Use KIF-Quick for User Interface Tests, 2016
• Using Automated Testing to Scale Android Development with a Growing Team, 2017
• Contract Testing with Pact, 2018
• How to detect iOS memory leaks and retain cycles using Xcode’s memory graph debugger, 2019
• Our "Tech Stack" in the Android Dasher App, 2019
• A Framework For Speedy and Scalable Development Of Android UI Tests, 2020
• Building Multiple Distinctly Branded iOS Apps from a Single Codebase, 2021
• How to Speed Up SwiftUI Development and Testing Using PreviewSnapshots, 2023
• How We Reduced Our iOS App Launch Time by 60%, 2023

Dropbox

• Modernizing our Android build system, 2019 (series of articles)
• Revamping the Android testing pipeline at Dropbox, 2020
• How we sped up Dropbox Android app startup by 30%, 2021
• Introducing Focus, a new open source Gradle plugin, 2022

eBay

• Functional iOS Testing in Swift, 2015
• Test automation for Android testing, 2016
• Parallizing UI tests on iOS, 2016
• Android Accessibility Automation with Espresso, 2017
• Speed By A Thousand Cuts, 2020
• eBay Motors: Screenshot Testing with Flutter, 2020
• Homepage Speed Improvements on eBay Android, 2020
• The Journey to Integrating Android App Bundles, 2020

eDreams ODIGEO

• Creating a Post-commit hook with Swiftlint Autocorrect, 2020
• Keep those warnings away! — Add Android Lint to your CI pipeline, 2021
• Tuist Your Circle, 2023 (series of articles)

Engenious

• Xcode Parallel Test Execution of XCUITest is a Joke, 2023

Entri

• Device Wall — Unlocking the Power of Parallel Mobile Automation with Appium, and Raspberry Pi, 2023
• Mastering Local Continuous Integration/Continuous Deployment, 2023
• Mastering Event Validation in Android Apps: A QA Engineer’s Guide, 2023

Etsy

• Etsy's Device Lab, 2013
• Static Analysis with OCLint, 2014
• Etsy’s Journey to Continuous Integration for Mobile Apps, 2014
• Building a Better Mobile Crash Analytics Platform, 2016
• How Etsy Ships Apps, 2017
• Culture of Quality: Measuring Code Coverage at Etsy, 2018

Expedia

• Mobile Automation in Continuous Delivery Pipeline, 2013
• How Expedia.com Uses Accessibility Automation, 2020
• Improving iOS UI Testing, 2020

EX Squared

• Using Gradle constants to manage dependency versions in Android, 2019
• CI/CD with Bitbucket pipelines in Flutter, 2023

Facebook

• Timed releases for mobile apps, 2012
• Buck: How we build Android apps at Facebook, 2013
• Building Mobile Apps with Open Source Tools - Mobile @ Scale, 2013
• How Facebook Tests Facebook on Android, 2013
• Airlock – Facebook’s mobile A/B testing framework, 2014
• Mobile End to End Testing at Scale, 2015
• Stetho: A new debugging platform for Android, 2015
• Improving Facebook’s performance on Android with FlatBuffers, 2015
• Performance instrumentation for Android apps, 2015
• Open-sourcing ReDex: Making Android apps smaller and faster, 2016
• Automatic memory leak detection on iOS, 2016
• The mobile device lab at the Prineville data center, 2016
• Android accessibility debugging with Stetho, 2016
• Managing resources for large-scale testing, 2017
• Rapid release at massive scale, 2017
• Open-sourcing RacerD: Fast static race detection at scale, 2017
• Turning iOS End to End Testing up to 11, 2017
• HotSwap: Bringing hot code reloading to Buck, 2018
• Open-sourcing Flipper: a new extensible debugging tool, 2018
• MobileLab: Highly accurate testing to prevent mobile performance regressions, 2018
• Superpack: Pushing the limits of compression in Facebook’s mobile apps, 2021
• Open-sourcing Mariana Trench: Analyzing Android and Java app security in depth, 2021
• How WhatsApp tests software?, 2023

Faire

• Bringing type safety to UI tests on iOS, 2021
• Faire Tech Talk: Mobile performance monitoring at Faire, 2022
• Faire Tech Talk: Scaling mobile foundation, 2022
• Raising code quality for Faire’s Kotlin codebase, 2022
• Provisioning Jenkins mac1.metal nodes for signing Apple distributions, 2023
• How we build reliable E2E tests for iOS at Faire, 2024

Flipkart

• Optimising Flipkart Android App size to sub 10 MB, 2018
• The Journey of React-Native @ Flipkart, 2020

FloBiz

• Create your own Android Library & Publish it, 2021
• Android CI/CD at myBillBook, 2023

Ford

• Testing strategy, 2021

Fresco

• Our journey into mobile E2E testing, 2024

FunCorp

• Creating Impactful Messages With Ad Testing, 2021
• Testing Your Implementation on Ad Networks, 2021
• Writing your profiler to analyze application performance on Android, 2021
• Stopping NSZombie Invasion, 2022
• Jetpack Microbenchmark: Code Performance Testing, 2022
• Make your iOS app suitable for UI auto-testing, 2023

GitHub

• How we ship GitHub Mobile every week, 2022
• How GitHub reduced testing time for iOS apps with new runner features, 2024

Glovo

• Publishing a variant-aware Android library with its sources, 2021
• Linting and formatting Swift code in our apps, 2021
• Accelerate Your Android Development: Top Techniques to Reduce Gradle Build Time, 2023
• Glovo’s Large-Scale App Development: An In-Depth Look, 2023

GoDaddy

• React Native Application UI testing using WebDriverIO and Appium, 2018

Gojek

• How to Use Templates to Improve the Android Studio Experience, 2019
• How We Improved Performance and Build Times in Android Studio, 2019
• Screenshot Testing our Design System on Android, 2020
• Test Mobile Apps Using Web Traffic Interception and Mocking, 2020
• Running CI for mobile engineers at scale, 2020
• Reducing Build Time For Gojek #SuperApp, 2020
• Making Our iOS Components Accessible, 2021
• Better Secure Than Sorry | Tips To Secure An iOS App, 2021
• Mono Repo Vs Multi Repo: Tips To Re-evaluate Codebase Structure, 2021
• Reducing Our Build Time By 50%, 2022
• Demystifying Code Generation On iOS, 2022
• Migrating An Xcode Command Line Tool Project to SPM, 2022

Google

• Espresso: Fresh Start to Android UI Testing, 2013
• Building Scalable Mobile Test Infrastructure for Google+ Mobile, 2013
• Android UI Automation, 2013
• Breaking the Matrix - Android Testing at Scale, 2013
• Make Chrome the best mobile browser, 2014
• Going Green: Cleaning up the Toxic Mobile Environment, 2014
• The Importance of Automated Testing on Real and Virtual Mobile Devices, 2014
• Automated Accessibility Testing for Android Applications, 2015
• Mobile Cross-Platform Integration Testing, 2015
• Integration Testing with Multiple Mobile Devices and Services, 2016
• SRE for Mobile Applications, 2018

Grab

• Deep Dive into iOS Automation at Grab - Integration Testing, 2019
• Marionette - Enabling E2E User-scenario Simulation, 2019
• Journey to a Faster Everyday Superapp Where Every Millisecond Counts, 2019
• Tackling UI Test Execution Time Imbalance for Xcode Parallel Testing, 2020
• How Grab is Blazing Through the Superapp Bazel Migration, 2020
• App Modularisation at Scale, 2021
• How we improved our iOS CI infrastructure with observability tools, 2023

Gravel

• Send gitlab notification to google chat in 3 minutes, 2023
• Manage iOS Versioning for Release with Fastlane, 2023
• Simplify Merge Request Description with Templates in Gitlab, 2023

Halodoc

• Testing strategy, 2021

Helpshift

• Functional Testing of Mobile and Web Apps using Clojure, 2014

Huawei

• Android | Product Flavors and Build Variants, 2020
• Automate Deployment to Huawei AppGallery Connect using Fastlane, 2020
• React Native | Integrating Your Applications With AppGallery Connect, 2021
• Android UI Testing Made Easy: Espresso vs. Barista, 2022
• Robolectric: The Ultimate Testing Framework for Android Developers, 2023
• How to Test the Navigation Component in Jetpack Compose?, 2023
• Unit Test in Jetpack Compose, 2023
• How to Write Unit Tests for ViewModel in Jetpack Compose, 2023
• Huawei Cloud Building Android Project with CodeArts Service, 2024

HubSpot

• Using CocoaPods to Modularize a Big iOS App, 2014
• Update: How We're Building iOS Apps Today, 2017

hh.ru

• Automating the release process, 2022
• Quality assurance for mobile development at hh.ru, 2022

IDN

• Supercharging Unit Tests: Our Journey Towards a 90% Reduction in Test Time, 2023
• Unlocking the Power of Alamofire Interceptor: Real-Life iOS Case Study, 2023
• Unleash the Power of Azure Cache: Achieve a 34% Efficiency Boost in CI/CD, 2023
• Making the Leap from Azure to Codemagic: Achieving a Remarkable 76.85% Improvement in iOS CI/CD, 2023
• Reducing Startup Costs: Developers & Git Hooks for Efficient CI/CD, 2023
• Goodbye pbxproj Conflicts: Mastering Xcode Project Automation to Streamline Your Workflow with XcodeGen, 2024

Instabug

• Testing strategy, 2021

Intel

• Automation on Wearable Devices, 2015
• IATF - A New Automated Cross-platform and Multi-device API Test Framework, 2016
• Docker Based Geo Dispersed Test Farm, 2016

Just Eat Takeaway.com

• Optimizing the APK size of Takeaway Driver App with Android App Bundle and WebP, 2019
• iOS — Accessibility identifier for Appium UIAutomation, 2020
• iOS Accessibility, 2021
• Jetpack Compose UI Testing, 2021
• Migrating to Swift Package Manager, 2023
• Backend-Driven UI on Native iOS apps, 2023
• Scalable Continuous Integration for iOS, 2024

Karumi

• Testing strategy, 2021

Kaspersky

• UI Testing Cookbook, 2023
• A step-by-step tutorial in codelab format for Android UI testing, 2023
• How to make Espresso tests more readable and stable, 2023
• How to make automated tests flexible and concise, 2023
• 100% Flakiness-free UI test automation with Kaspresso and Allure Testops, 2023

La Redoute

• Quality at Speed for our Mobile Application, 2020

leboncoin

• Xcode Cloud: Feedback from leboncoin, 2022
• Achieving higher test coverage: Our approach to UI testing on iOS, 2023

LinkedIn

• Writing Custom Lint Checks with Gradle, 2014
• Managing iOS Continuous Integration at Enterprise Scale, 2015
• Mock the Internet, 2015
• Effective Layout Testing Library for iOS, 2016
• UI Automation: Keep it Functional – and Stable!, 2016
• 3x3: Speeding Up Mobile Releases, 2016
• 3x3: iOS Build Speed and Stability, 2016
• Upgrade Testing on iOS: Keeping up with 3x3, 2016
• Open Sourcing Test Butler, 2016
• iOS: Test Pyramid, 2016
• Open Sourcing Dex Test Parser, 2017
• Managing documentation at scale, 2019
• LinkedIn’s approach to automated accessibility (A11y) testing, 2020
• Faster testing on Android with Mobile Test Orchestrator, 2020

Livefront

• 4 tips for using Carthage, 2017
• How to add a dynamic Swift framework to a Command Line Tool, 2018
• Swift expected nil, not , 2018
• Unit Testing race conditions by creating chaos (Swift), 2018
• Adventures in iOS Dev Automation, 2018
• The First 2 Commits Every Android Project Should Have, 2019
• Android Static Code Checks — Keep Your Codebase Tidy With Detekt, 2020
• Dagger Hilt: Testing injected Android components with code coverage, 2020
• How to connect your Android emulator to a local web service, 2021
• Five Reasons To Write Unit Tests, 2021
• Tracking Android project build times, 2023
• XCTestCase Life Cycle Management, 2023

Lyft

• Which hardware are you using to run your CI, 2021
• Testing strategy, 2021
• Building an Enterprise IntelliJ Plugin for Android Developers, 2021
• Mobile Performance @ Lyft, 2021
• Monitoring CPU performance of Lyft’s Android applications, 2022
• Shift-Left iOS Testing with Focus Flows, 2022
• Detecting Android memory leaks in production, 2023

Medium

• How We Modularized Medium’s iOS codebase, 2014
• Medium Android Tools, 2015

Meero

• Kickstarting Mobile Testing: A Journey with Appium and TypeScript, 2023

MEGA

• Enforcing unique identifiers across modules in your Android app using lint, 2023
• Making TDD a Habit in Android Development, 2023 (series of articles)
• Android CI/CD pipelines at MEGA, 2023
• Improving unit test performance in MEGA Android, 2024
• Profiling performance by os_signpost and customized instruments package in MEGA iOS, 2024
• Create your first member macro with TDD in iOS, 2024

Mercadona Tech

• Reduce iOS CI time using test parallelization, 2022
• Contract Tests: A New Hope, 2023
• How to write less code in tests, 2023
• The Night’s Watch: Safeguarding store operations, 2024

Mercari

• Super fast and parallelized Android UITest(Appium) environment using AWS, Docker and Android emulator, 2018
• How HeadSpin will change mobile testing and monitoring?, 2019
• Specifying Kotlin tests with Spek, 2019
• Testing Redux-based iOS app, 2019
• Building automated workflow using Slackbot and CircleCI, 2020
• Compiling for iOS on Apple M1, 2021
• Bazel Remote Execution for iOS Builds with Apple Silicon, 2021
• Automatically generating snapshot tests from Xcode Previews, 2022
• Android automated testing to support one-week releases, 2022
• Leverage Kotlin in your Android CI, 2022
• Fast and reliable iOS builds with Bazel at Mercari, 2023
• Mercari QA and Compose for Android automation, 2023

Monese

• Mobile testing at Monese, 2020

Mozilla

• How Do You Test a Mobile OS?, 2013

Monzo

• How We Build the Monzo App, 2018
• How everyone at Monzo gets involved with testing, 2022
• How our Android engineers automated the removal of Kotlin synthetics, 2022
• Our mobile release process: An illustrated story, 2022

MY.GAMES

• When and How to Properly Do Automated QA Testing in Gamedev, 2023
• Beyond the routine in QA: how we automated regression testing, 2024

NatWest

• Testing strategy, 2022

Netflix

• Testing Netflix on Android, 2012
• Automated testing on devices, 2016

Nordstrom

• Testing strategy, 2021

NOS

• The struggles of upgrading our Instant enabled app to Android App Bundles, 2020
• A Tour of Xcode Cloud, 2023

Notion

• Notion on Android is now more than twice as fast to launch, 2024

Outlook

• Which hardware are you using to run your CI, 2021

PagerDuty

• Improving PagerDuty’s Automated iOS Builds, 2017

Parimatch Tech

• PMetrium Native - let's measure the performance of native applications, 2022

PayPal

• Write Once, Test Everywhere — Simplified SDK Testing, 2021
• Continuous Shift-Left Automated Testing in Native Mobile Apps, 2023

Picsart

• Supercharge Your Android Remote Debugging Experience with Ngrok, 2022
• Finding Memory Leaks in Mobile Apps (Part 1: Visualization), 2022
• Finding Memory Leaks in Mobile Apps (Part 2: Automation), 2023

Pinterest

• Continuous integration for iOS with Nix and Buildkite, 2017
• iOS linting at Pinterest, 2017
• Developing fast & reliable iOS builds at Pinterest, 2019
• Ad Metrics Quality and Testing on Mobile, 2019
• Pinterest + ktlint = ❤, 2021
• Moving Pinterest’s iOS Builds to Autoscaled EC2 Mac, 2022
• Pre-Submit UI Tests at Pinterest, 2022

Playrix

• CI/CD at Playrix: How we build and test our games, 2019
• How Playrix Uses TeamCity to Run Thousands of Builds per Day, 2023

Playtomic

• Automating rollout releases in Android, 2022
• Migrating from CocoaPods to Tuist, 2024

Practo

• Build distribution automation with Fastlane and Travis CI — iOS, 2017

Primer

• Improving the Android Experience at Primer: Our Journey from Koin to a Custom Dependency Injection Framework, 2023

Qonto

• How slow are your Android builds?, 2021
• Unleashing the power of efficiency: Dramatic reduction in test build times, 2023
• How one line of code led to +50% faster Swift compilation for tens of thousands of teams, 2024

Razorpay

• Releasing features with confidence in your mobile app, 2022

realestate.com.au

• Which hardware are you using to run your CI, 2021

Reddit

• Reddit Recap: State of Mobile Platforms Edition, 2022
• iOS and Bazel at Reddit: A Journey, 2022
• Optimizing the Android CI Pipeline with AffectedModuleDetector, 2022
• Reddit’s E2E UI Automation Framework for Android, 2023
• iOS: UI Testing Strategy and Tooling, 2023
• From Fragile to Agile: Automating the fight against Flaky Tests, 2024
• Modular YAML Configuration for CI, 2024

Revolut

• The Fundamentals of iOS at Revolut, 2020
• Best Practices For Unit Testing at Revolut, 2021
• Monitoring performance of screens in your iOS app, 2022
• The Fundamentals of Android at Revolut, 2023
• The fundamentals of iOS at Revolut, 2024

Riot Games

• Revisiting Docker and Jenkins, 2018
• How Riot Games Uses Slack, 2020
• The Legends Of Runeterra CI/CD Pipeline, 2021

Rippling

• Mastering mobile app quality: Rippling's CI/CD journey with Bitrise, 2024

Robinhood

• Testing strategy, 2021
• Removing 30% of our iOS crashes, 2022

SafetyCulture

• UI Testing of Mobile apps at SafetyCulture, 2024

Shazam

• Keeping 100+ million users happy: how we test Shazam on Android, 2014
• Shazam on iOS: UI testing + Shazam Pro User Tip, 2018
• A Kotlin DSL for Acceptance Tests, 2018
• CI at Shazam: a quest for shipping high-quality code, 2018

Shopify

• Introducing the Super Debugger: A Wireless, Real-Time Debugger for iOS Apps, 2013
• Building a Dynamic Mobile CI System, 2017
• Scaling iOS CI with Anka, 2018
• Mobile Tophatting at Shopify, 2019
• iOS Application Testing strategy at Shopify, 2019
• The Unreasonable Effectiveness of Test Retries: An Android Monorepo Case Study, 2019
• Mobile Release Engineering at Scale with Shipit Mobile, 2019
• Release process, 2021
• Testing strategy, 2021
• Reusing Code with React Native Packages at Shopify, 2021

Showmax

• Automated Memory Leak Testing on iOS, 2019
• Consistent Ruby environment for iOS development, 2019

Simform

• Streamline Flutter Development with Clean Architecture, 2024
• Introduction to Swift Testing Framework, 2024

Skeelo

• Good practices when creating E2E tests at Skeelo, 2024
• How Baseline Profile Improve Skeelo Android App Performance, 2024

Skyscanner

• The present and future of app release at Skyscanner, 2016
• 3 Techniques We Used to Improve Skyscanner for iOS Performance, 2016
• Testing React Native iOS Bridges, 2017
• iOS CI, supercharged, 2019
• Hate to wait: how Skyscanner used module caching to cut iOS app build speed in half, 2019

Slack

• Valera Zakharov: Testing, 2017
• Android UI Automation, 2018 (series of articles)
• UI testing is so easy - said no developer ever, 2018
• Mobile performance testing at Slack, 2018

Snap

• Testing strategy, 2021

SoundCloud

• Continuous Integration at SoundCloud, 2015
• Leveraging frameworks to speed up our development on iOS, 2017
• Automatic Stubbing of Network Requests to Deflakify Automation Testing, 2018
• Integration Testing for Memory Leaks, 2018
• Running Android UI Test Suites on Firebase Test Lab, 2018
• Release Quality and Mobile Trains, 2019
• Gradle Remote Build Cache Misses, 2019
• Solving Remote Build Cache Misses by Annoying Your Colleagues, 2019
• Speeding Up Builds with Dagger Reflect, 2020
• The Magic of Generating an Xcode Project, 2020
• Breaking Loose from Third-Party Lock-In with Custom Refactoring Tools, 2020
• Tests Under the Magnifying Lens, 2021

Spotify

• Shaving off 50% waiting time from the iOS Edit-Build-Test cycle, 2013
• Protect Your Baby! How Spotify Does Testing for Mobile, 2015
• Scaling Android Application Testing at Spotify, 2017
• How We Gave Superpowers to Our macOS CI, 2020
• Which hardware are you using to run your CI, 2021
• Testing strategy, 2021
• Introducing XCMetrics: Our All-in-One Tool for Tracking Xcode Build Metrics, 2021
• Introducing XCRemoteCache: The iOS Remote Caching Tool that Cut Our Clean Build Times by 70%, 2021
• Introducing Ruler: Our Tool for Measuring Android App Size, 2022
• Switching Build Systems, Seamlessly, 2023
• The What, Why, and How of Mastering App Size, 2023

Square

• iOS Integration Testing, Part 1, 2011
• iOS Integration Testing, Part 2, 2011
• Better Android Testing with Robolectric 2.0, 2013
• The Resurrection of Testing for Android, 2013
• iOS Build Infrastructure, 2015
• iOS 9 upgrade: Why did my unit tests grind to a halt?, 2016
• XCKnife: faster distributed tests for iOS, 2016
• measureBlock: How Does Performance Testing Work In iOS?, 2018
• Announcing cocoapods-generate, 2018
• Shipping Binary Frameworks With Swift 5.0, 2019
• Instrumenting Firebase Test Lab, 2020
• Kotlin-Multiplatform Shared Test Resources, 2021
• Herding Elephants, 2021
• Getting Square's iOS build ready for Apple Silicon with Bazel, 2022
• Stampeding Elephants, 2023
• Supercharging Continuous Integration with Gradle, 2023

Start

• Role of Local Databases in Android App Testing, 2024

Strava

• Managing Internal iOS Dependencies with Private CocoaPods, 2017
• Optimizing Testing For Server Driven Mobile Development at Strava, 2018
• Release process, 2021

Stream

• Let's test openly, 2022
• How To Test Remote Push Notifications With iOS Simulators, 2023
• Improve Your Android App Performance With Baseline Profiles, 2023
• Optimize App Performance By Mastering Stability in Jetpack Compose, 2024
• Boost Performance by Over 100x Using the Accelerate Framework, 2024

Stitch Fix

• iOS Code Signing, 2015 (series of articles)
• Continuous Integration and Deployment for iOS, 2016

Swiggy

• Advanced techniques to speed up the compile time in Xcode, 2019
• Detecting App Cloning & Location Spoofing on Android, 2021
• Gradle Incremental Test Runner, 2022
• Build Time Optimizations (Xcode), 2022
• Building a robust mobile platform team, 2023
• Optimizing Configuration time for Android apps that use React Native, 2024
• Automating Mobile Event Verification, 2024

Target

• Testing strategy, 2021

Telefónica

• Android Mock API Server, 2024
• Screenshot tests for a Design system with Roborazzi, 2024

The Guardian

• Device wall of awesome: how Lego helped our digital development, 2015

Thoughtworks

• Simplify Your Mobile Testing on iOS and Android, 2014
• Building Better Behavior Tests for Mobile Apps, 2014
• Speeding up Test Execution with Appium, 2016
• Automating semantic versioning model in mobile releases, 2020
• How to release mobile apps weekly, 2022
• Scaling mobile delivery, 2023

Thumbtack

• Adopting Swift: Migrating to Frameworks on iOS, 2016
• Targeted Code Coverage Reports for Android Continuous Builds, 2019
• Using Android Screenshot Tests to Verify View Correctness, 2020
• Automating Integration Tests to Ensure Android App Quality, 2021

Tinder

• Bazel Hermetic Toolchain and Tooling Migration, 2022

Tokopedia

• How We Solve The Sideloading Crash After App Bundle Implementation, 2019
• Release Strategy — a twisted tale in apps, 2019
• Modern Way to Reduce Your Android Apps Size With Dynamic Feature, 2020
• Understanding the aspects of iOS App Launch Time, 2020
• Automating Image Compression Using TinyPng & Git Hooks, 2020
• How Tokopedia Achieved 1000% Faster iOS Build Time, 2020
• Simplify Code Review Process with Auto Mention Code Review Systems, 2020
• Making Developers Life Easier With Jenkins-Slack Integration, 2020
• Monitoring Android Codebase, 2020
• Continuous Integration Google Play Store Internal App Sharing In Tokopedia, 2020
• Saving Tons of Time and Money During Remote Work with Auto Upload APK System, 2021
• Facilitate Your iOS Crash Log Translation For Numerous Builds, 2022
• Getting Started with iOS App Modularization — An Introduction, 2022 (series of articles)
• Stop Wasting Time on Unit Testing: How Tokopedia Achieved 8X Faster Results, 2023

Toptal

• Automated Android Crash Reports with ACRA and Cloudant, 2014
• Android Testing Tutorial: Unit Testing Like a True Green Droid, 2015
• Fastlane: iOS Automation on Cruise Control, 2017
• Android DDMS: A Guide to the Ultimate Android Console, 2017
• How to Write Automated Tests for iOS, 2017
• iOS Continuous Integration with Xcode Server Explained, 2018
• A Splash of EarlGrey: UI Testing the Toptal Talent App, 2020
• Investing in Unit Testing: Benefits and Approaches, 2022
• Unit Testing in Flutter: From Workflow Essentials to Complex Scenarios, 2022

TravelPerk

• A Primer on CircleCI, 2023
• Tuist-ing TravelPerks iOS app for Faster Build Times, 2024

Trendyol

• Get the Most Out of UI Tests With XCode Test Plans, 2020
• How to Test Deeplinks with XCUITest, 2020
• Integrate Slather to Trendyol Project, 2021
• UI Test Roadmap with Kaspresso, 2021
• Trendyol Android Team Unit Test Practice, 2021
• Mobile App Complexity: Things to Consider While Estimating Test Effort, 2021
• The Different Types of Testing on Trendyol iOS App, 2021
• Differences Between Mobile Web and Mobile Platform Tests, 2021
• Mocking API Calls in UI Tests, 2021
• How to Make iOS UI Testing fast and reliable, 2021
• How to Write Unit Tests for Selector Functions in Swift, 2021
• Device Selection for iOS App Testing, 2021
• Meaningful Error Messages for iOS UI Tests, 2021
• Make UI Testing possible with TYGenerator, 2021
• Automated Visual Testing With Snapshots, 2021 (series of articles)
• Modularising Trendyol Android App for Build Efficiency, 2022
• Distribute Unclear Responsibilities in The Team With Automation, 2022
• Sample Apps to Achieve 80% Shorter Build Times in Trendyol Android Project, 2023
• Revamping Trendyol’s iOS App: A Modularization Success Story, 2023
• Mock Generator Development With Using Mockolo Library, 2023
• Trendyol Fulfillment Android Instrumented Test CI, 2023
• Managing iOS Tests at Scale: A Symphony, 2023
• Android Test Doubles In Unit Test, 2023
• Trendyol and Tuist: Engineering Apps at Scale, 2023
• How Do We Manage UI Tests in Sprint, 2023
• Selective Unit Testing on iOS: Achieve %80 Faster Feedback, 2024
• Our Snapshot Test Journey, 2024

Triodos Bank

• iOS development and Triodos, 2024
• Elevating UI Tests with Network Mocking, 2024

Tuist

• How Tuist migrated from GitHub Actions to Codemagic for faster and more reliable CI, 2024

Turo

• Android UI Testing with Firebase, 2018
• Automatic Android releases using Fastlane, 2018
• Would Xcode Cloud replace our current CI/CD solution?, 2021
• Improving our CI/CD with GitHub Actions, 2022
• How we reduced our Android startup time by 77%, 2023
• Boosting Bazel Adoption on Android With Automation, 2023

Tweeq

• Building a Modern Payments Platform, 2021
• How We Do Mobile Deployments and Releases at Tweeq, 2024

Uber

• The Uber Challenge of Cross-Application/Cross-Device Testing, 2015
• Octopus to the Rescue: the Fascinating World of Inter-App Communications at Uber Engineering, 2015
• Using the Octopus Framework, 2016
• Harnessing Code Generation to Increase Reliability & Productivity on iOS at Uber, 2018
• Scaling Mobile Device Management for macOS with Chef at Uber, 2019
• Measuring Kotlin Build Performance at Uber, 2019
• Introducing Uber Poet, an Open Source Mock App Generator for Determining Faster Swift Builds, 2019
• Testing strategy, 2020
• Measuring Performance for iOS Apps at Uber Scale, 2023

Unfold

• Unfold's Modern Mobile Release Process and the Subtle Art of Making Them Boring, 2024

UPMC Enterprises

• Running our Android Espresso tests in Parallel, 2023

VoucherCodes

• Creating an automated test framework for React Native apps, 2023

Walmart

• iOS Test Automation @WalmartLabs, 2017
• Flank: Smart Test Runner for Firebase, 2017
• Automated Accessibility testing for Android apps, 2022

Wayfair

• Open Tracing for iOS: A Performance Tool for Everyone, 2019
• Getting The Most Out of XML and Exploring Anko Layouts for Android, 2019

WeTransfer

• Inside WeTransfer’s App Testing Process with Antoine van der Lee, 2019
• Behind the scenes of building high-rated apps with Antoine van der Lee, 2022

Whatnot

• Creating a Lane of Our Own for iOS Automation, 2022
• Migrating iOS GitHub Actions to Self-Hosted M1 Mac Runners, 2023

Wix

• End-to-End TDDing an iOS Application, 2014
• Detox: Graybox End to End Tests and Automation Library for Mobile Apps, 2017
• Detox: Tackling the flakiness of mobile automation, 2019
• Mobile at Scale with React Native, 2019
• Testing Mobile Applications Using Mock Data, 2021
• Mastering Mobile App Testing: Strategies and Challenges in QA, 2023

Wrike

• Performance testing of iOS applications, 2019

XING

• Which hardware are you using to run your CI, 2021
• Testing strategy, 2021

Zalando

• Speeding up Xcode Builds, 2015
• Mobile Testing Challenges at Zalando + 6Wunderkinder, 2015
• How the Zalando iOS App Abandoned CocoaPods and Reduced Build Time, 2017
• One-click Deployments for iOS Apps using Xcode 8 and More, 2017
• Improving Swift Compilation Times from 12 to 2 Minutes, 2017
• Mobile App Testing Strategy at Zalando, 2024

Zetier

• The Art of Android Testing: Wrangling Devices with Lariat, 2024

Zenjob

• WebdriverIO with Appium: Beyond the perfect scenario, 2022
• Android unit testing at Zenjob, 2023

Sponsors

Contributors

Contributing

Want to contribute? Just fork and raise a PR!

Credits

• All the authors and the companies they represented in the resources above
• HowTheyTest for the inspiration
• MobileNativeFoundation for the open discussions

Code of Conduct

Help us keep the project open and inclusive. Please read and follow our Code of Conduct.

License

This project is licensed under the terms of the MIT license. See the LICENSE file.