CAFFEINE CLUB

Get the Android beta

Use the Google account you use in the Play Store for both steps. No email form needed.

  1. Join the tester group

    Sign in if asked, then tap Join group. Return here.

    JOIN TESTER GROUP

  2. Continue to Google Play

    Become a tester, then install Caffeine Club.

    CONTINUE TO GOOGLE PLAY

Already joined the group? Go straight to step 2.

Google Play says “not available”?

Check that Google Groups and Google Play show the same account as your phone's Play Store. Finish joining the group, then return to step 2. Entering an email on an older page did not enroll you.

Moving from the APK beta?

Sign in with your existing Caffeine Club account. Keep your current app and data until your collection is synced in Play.

On iPhone?

DOWNLOAD FOR IPHONE

Free · iPhone · iOS 17 or later.

Want to test upcoming updates? Join the optional TestFlight beta.

Already using TestFlight?

You can keep testing, or choose the public App Store version. Keep your existing app and data. Sync your latest collection first, then open the App Store listing. Use the same Caffeine Club account and check that your collection is present. Do not uninstall or clear data. Unsynced changes may not transfer.

Need help?