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! Regardless of having an issue or not, please open the More section (the gear icon) from the bottom navigation bar and use "Report a problem" 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).