This is a free app for those who want to use it for free. It works on Android devices and has no root or other special permissions.

Turn on/off super bright flashlight / LED / torch on your phone instantly by holding both volume buttons together! It's quick, fast, and innovative. It works in screen on, lock screen and screen off (when enabled from settings). Just works anytime! It makes you feel that you have a handy conventional battery-operated torch with physical hardware button access!

It's tiny, small, free and runs silently as a service. Absolutely no root required!

The app uses Accessibility services.