Privacy Policy for c2k (Android)

Last updated: June 8, 2026

c2k is a free, open-source running trainer for Android. It does not collect, store, or transmit any personal data.

Data collection

c2k collects no personal information. No account is required to use the app.

Local storage

The app stores your workout history and settings on your device only. This data never leaves your device and is not accessible to the developer or any third party.

Location

If you enable GPS tracking, location data is used solely to calculate distance and pace during your run. It is stored locally on your device and is never transmitted anywhere.

Third parties

c2k contains no ads, analytics, crash reporting, or third-party SDKs. It requests no internet permission and makes no network requests.

Contact

Questions about c2k or this policy are welcome through the contact form.