By default, any app that requests a certain permission can run automatically as soon as you start your device. Since Android doesn’t offer a granular permission control system like iOS, this gets lumped in with all of the other permissions that you have to accept when you’re installing an app from the Google Play Store, and you effectively have no choice in the matter.
Considering the fact that apps running in the background are a big draw on RAM and battery life, more apps running on startup means lower efficiency. That’s why developer Gard Ynych created a mod that will add a settings menu… more
Sig Nordal 