Privacy Policy for Fin OS
Effective Date: February 23, 2026
Fin OS ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how your personal and financial information is collected, used, stored, and protected when you use the Fin OS mobile application (the "App").
By using the App, you agree to the collection and use of information in accordance with this policy.
- Information We Collect
Fin OS is designed to be an offline-first application. We prioritize local storage and minimize data collection. Authentication Data: If you create an account, we collect your email address or phone number via Firebase Authentication solely for the purpose of verifying your identity and securing your app profile.
Financial Data: All financial data you enter (accounts, transactions, budgets, net worth, and debt information) is stored locally on your device's internal storage using a secure SQLite database.
- How We Use Your Information
We use the collected data exclusively to provide and improve the App's features, including:
Calculating your net worth, debt payoff strategies, and F.I.R.E. goals.
Generating local, personalized financial insights and notifications.
Authenticating your secure login.
We do not sell, rent, or trade your personal or financial data to any third parties. We do not use your financial data for targeted advertising. 3. Google API Services and Google Drive Sync
Fin OS offers an optional "Auto-Cloud Backup" feature that allows you to securely back up your financial data to your personal Google account.
Access: If enabled, the App requests access to the https://www.googleapis.com/auth/drive.appdata scope.
Usage: This scope strictly limits the App's access to a hidden, private application data folder within your Google Drive. The App uses this access solely to upload, update, and restore your encrypted finos_vault_backup.json backup file. The App cannot see, read, or access your personal photos, documents, or other files in your Google Drive.
Google API Services User Data Policy: Fin OS's use and transfer to any other app of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.
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Data Storage and Security
Local Storage: By default, your data never leaves your device.
Biometric Security: The App supports local device authentication (FaceID/Fingerprint) to prevent unauthorized access to your financial dashboard.
Cloud Storage: If you opt-in to Google Drive Sync, your backup is stored directly on Google's secure servers within your private account. We do not host your financial data on our own servers.
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Data Deletion and User Rights
You retain full control over your data.
Local Data Deletion: You can permanently wipe all local financial data using the "Reset App Data" feature in the Settings menu.
Account Deletion: You can permanently delete your Fin OS user account and profile data directly from the Settings menu.
Cloud Backup Deletion: Because the cloud backup resides in your personal Google Drive, you can delete it by revoking the App's access via your Google Account Security settings.
- Third-Party Services
The App uses the following third-party services that may collect information used to identify you:
Google Play Services
Firebase Authentication
These services are bound by their respective privacy policies. 7. Changes to This Privacy Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Effective Date" at the top. 8. Contact Us
If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us at: Email: finosapp.dev@gmail.com