TunerBox

Open the app. Tune your guitar. Done.

No menus to navigate. No subscription to dismiss. Just a tuner.

It opens straight to the tuner

TunerBox is built for the simplest possible tuning flow: launch the app, play a string, watch the needle, and stop when the display turns green. It uses your device's microphone to detect pitch in real time.

Why it works

  • No ads, ever
  • No subscription or in-app purchases
  • Opens instantly to the tuner (no splash screens or menus)
  • Clean visual feedback with a precision needle display
  • Works as a chromatic tuner for alternate tunings too
  • Optimized for iPhone and iPad

Good for

  • Beginners learning to tune by ear
  • Gigging musicians who need fast, reliable tuning
  • Practice sessions at home or in the studio
TunerBox app screenshot