Most smartphones these days have long-living batteries, but who doesn't want their phone to last for just an hour more?
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Android
- F-Droid


Extinguish is described as 'Turns off the screen using Android’s hidden function. It truly turns off the device’s screen rather than displaying a black overlay, making it suitable for various types of screens, including LCD and OLED' and is an app. There are 2 alternatives to Extinguish for Android and F-Droid. The best Extinguish alternative is FakeStandby, which is both free and Open Source.
Most smartphones these days have long-living batteries, but who doesn't want their phone to last for just an hour more?


Android app which adds an always on display. Free, no ads and open source.


