IMPORTANT: If you have any outstanding issues with your vehicle due to the beta, email firstname.lastname@example.org before leaving the beta and before deleting the app!
To get out of the beta and return to the official version of Carista:
On Android: visit https://play.google.com/apps/testing/com.prizmos.carista and press "LEAVE THE PROGRAM". Then delete Carista and download it again from Google Play Store.
On iOS: Delete the app and download it again from the App Store (not from TestFlight).