if you have root access you can modify the app and keep using it(guide on xda developers) https://www.xda-developers.com/use-inbox-by-gmail-android-after-shutdo

if you have root access you can modify the app and keep using it(guide on xda developers) https://www.xda-developers.com/use-inbox-by-gmail-android-after-shutdown/ https://www.xda-developers.com/use-inbox-by-gmail-android-af...