Guitar GPS

If you are using iOS, please check your device's Silent Switch (the physical button on the side of your iPhone). If Silent Mode is ON, the app sound might be muted by the system. Please turn the switch OFF or ensure your volume is up.

Tap the Tuner icon in the top menu. Allow microphone access when prompted. Play a string, and the needle will guide you. Ensure you are in a quiet environment for the best accuracy.

Yes! Once downloaded, all scales, instruments, and basic features work completely offline. You can jam anywhere.