Retune - Guitar Tuner
Fast guitar tuner with presets
About
This app helps you tune your guitar quickly and accurately by focusing on entire tunings rather than individual notes. It offers several built-in presets and can detect which string you're playing, providing instant feedback when it's in tune. Additional features like custom tunings, metronome, and support for more instruments are available with a one-time purchase.
What's New in Retune
2.0
July 27, 2026
Retune 2.0 introduces Retune Pro, a one-time purchase that unlocks: - Custom tunings: build and save your own presets, synced across your devices - More instruments: 7-string guitar, bass, and ukulele - Metronome: clean, accurate, with tap tempo - Chromatic mode with A4 calibration (415 to 466 Hz) - String lock: pin the tuner to a single string Also new for everyone: - A pleasant chime when a string locks in tune, with four sounds to pick from (or turn it off in Tuner Settings) - Polish and stability improvements throughout The nine built-in tunings and the core tuner remain free, with no ads and no account required.
MoreFAQ
How does Retune tune guitars?
Retune tunes by focusing on entire tunings rather than individual notes. It detects which string you play and shows how far off you are in cents, locking in when the note is true. This allows for faster tuning compared to traditional note-by-note methods.
What tunings are included for free in Retune?
The core Retune tuner is free forever and includes nine popular tunings: Standard, Drop D, Drop C, Half-step down, Whole-step down, Esus2 open, Open G, Open D, and DADGAD. It works offline and contains no ads.
What features are included in Retune Pro?
Retune Pro offers custom tunings that sync across devices, support for 7-string guitar, 4-string bass, and ukulele, a metronome with tap tempo, and a chromatic mode for tuning any instrument. It also includes a string lock feature for precise adjustments.
Is Retune available on Android devices?
Based on the provided data, Retune is developed exclusively for iOS and is supported on iPhones. There is no information indicating Android compatibility.
How often is Retune updated?
The latest version of Retune is 2.0, and it was last updated on July 27, 2026. This suggests a recent update, though the frequency of future updates is not specified.
What is the user sentiment for Retune?
Retune has a perfect rating of 5.0 stars from 1 rating. This indicates highly positive initial user feedback, though the small sample size should be considered.
Does Retune have ads?
No, the core Retune tuner is free forever and explicitly states 'no ads'. The Pro features are unlocked via a one-time purchase, not through advertisements.
What is the age rating for Retune?
Retune has an age rating of 4+. This means it is suitable for users aged 4 and above, making it appropriate for a wide range of ages.