Why you’ll love Tuner
Chromatic tuner with live Hz display and color-coded feedback (blue = in tune, yellow = close, red = adjust)
Auto Mode detects the string you're playing automatically
15 tuning presets: Standard, Drop-D, Drop-C, Drop-B, Open-G, Open-D, Open-C, and more
Guitar (6-string) and Bass (4-string) modes with dedicated preset libraries
Dark mode for studio, stage, and low-light practice
Trusted by 2.5M+ musicians worldwide
Getting started with Tuner
Open the tuner and choose Guitar or Bass
Download Guitar Tuner: Chromatic free, open it, allow microphone access and select Guitar or Bass mode.
Pick a tuning
Choose a preset (E-Standard is free), or turn on Auto Mode with Premium so the app detects the string for you.
Pluck and adjust
Pluck a string near your iPhone's microphone and turn the peg until the indicator turns blue. Repeat for every string.
Tuner on iPad
App privacy
Your privacy matters. Tuner is built to keep your data on your device wherever possible. The app may show ads (Google AdMob) and use basic, anonymous analytics to improve the experience. Tuner does not sell your personal data.
Terms of Use and Privacy Policy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Our Terms of Use: https://bestlatestapps.com/apps/tuner/terms
Privacy Policy: https://bestlatestapps.com/apps/tuner/privacy
Frequently asked questions
Is Tuner free?
Yes, Tuner is free to download on the App Store.
What is Tuner?
Guitar Tuner: Chromatic is a free, professional guitar and bass tuner with real-time pitch detection. Tune acoustic or electric guitars and bass guitars in seconds — accurate to the cent, with no cables or extra hardware required.
What devices does Tuner support?
Tuner runs on iPhone and iPad. It requires iOS 15.6 or later.
When was Tuner last updated?
The latest version is 2026.07.09, released on 2026-07-10.
Explore more about Tuner
Reviews, comparisons and guides.
Tuner details
What’s new (v2026.07.09)
- Bug fixes and enhancements.
From the blog
Guides and build notes about this app, written by Alok Singh.
From microphone samples to 'A2, +3 cents': session setup, an input tap, autocorrelation with vDSP, note maths, smoothing and tuning presets
How to Tune a Guitar and Bass with a Chromatic Tuner: Standard, Drop D and Open TuningsStep-by-step guide to tuning a guitar or bass with a chromatic tuner: string notes and frequencies, cents, tuning up to pitch, Drop D, D Standard and open…
Get Tuner today
Download Tuner on the App Store and start in seconds.
