https://tuner.airyware.com/
Airyware Apps
Airyware, the maker of the best guitar tuner app for Android, iOS, Windows Phone, and Windows 10 devices.
apps
https://play.google.com/store/apps/details?id=airyware.tuner
Airyware Tuner - strobe & more - Apps on Google Play
Professional chromatic strobe tuner. Guitar, bass, violin, piano, 400+ others.
more appson googletunerstrobeplay