GTuner: Guitar Tuner
Accurate tuner & metronome
About
This app provides an accurate and user-friendly guitar tuning experience using your device's microphone. It features a clear visual display, automatic string detection, and a built-in metronome. Unlock additional tunings with a one-time purchase.
What's New in GTuner
1.0
July 8, 2026
Subscriptions & In-App Purchases
$4.99
Unlock All Tunings
Unlock all 12 power & open tunings, yours forever.
Developer apps
FAQ
Does GTuner have ads?
No, GTuner is ad-free. The app is designed to be private and runs entirely on your device without tracking or advertisements.
What tunings are available for free in GTuner?
Standard, Drop D, and Half Step Down tunings are available for free, along with the full tuner and metronome functionality.
How do I unlock more tunings in GTuner?
You can unlock 12 additional power and open tunings with a single one-time purchase. This is not a subscription.
What devices does GTuner support?
GTuner is currently supported on iPhone devices.
Is GTuner suitable for beginners?
Yes, GTuner is designed with a clean, distraction-free interface and visual aids like the guitar headstock display, making it user-friendly for beginners.
How accurate is GTuner's pitch detection?
GTuner offers cent-accurate pitch detection with a clear, responsive meter and a precise cents readout to ensure your instrument is perfectly in tune.
Can GTuner be used offline?
Yes, GTuner runs entirely on your device, meaning it does not require an internet connection to function for tuning or metronome features.
What is the age rating for GTuner?
GTuner has an age rating of 4+, making it suitable for a wide range of users.
