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COVID Certificate Apps - Android

License: MPL 2.0 Android Build Wallet Android Build Verifier

This project is released by the the Federal Office of Information Technology, Systems and Telecommunication FOITT on behalf of the Federal Office of Public Health FOPH. The app design, UX and implementation was done by Ubique.

COVID Certificate App

COVID Certificate is the official app for storing and presenting COVID certificates issued in Switzerland. The certificates are kept and checked locally on the user's phone.

Get it on Google Play Get it on F-Droid Explore it on AppGallery

COVID Certificate Check App

COVID Certificate Check is the official app for checking COVID certificates in Switzerland. The validation is executed locally on the phone and no information of the scanned certificates is saved.

Get it on Google Play Get it on F-Droid Explore it on AppGallery

Contribution Guide

This project is truly open-source and we welcome any feedback on the code regarding both the implementation and security aspects.

Bugs or potential problems should be reported using Github issues. We welcome all pull requests that improve the quality of the source code. Please note that the app will be available with approved translations in English, German, French, Italian, Rumantsch.


Installation and Building

The apps require at least Android 6 (Marshmallow).

To build the project you need at least Java 11 and Android Studio 2020.3.1.

You can also build the apps directly:

$ ./gradlew verifier:assembleProdRelease
$ ./gradlew wallet:assembleProdRelease

Note that in order for that to work, you must have set up your own keystore.

The APK is generated under app/build/outputs/apk/prod/release/app-prod-release.apk where app is one of: verifier, wallet.

Reproducible builds

To verify that the app distributed on the Play Store was built by the source code published here, please see the instructions in


This project is licensed under the terms of the MPL 2 license. See the LICENSE file for details.