BOSS Tuner App

Chromatic Tuner App

BOSS Tuner App
App Store Google Play

An authentic BOSS tuner for your smartphone or tablet

The BOSS Tuner app brings BOSS’s leading tuning technology to your favorite iOS and Android mobile devices. Available as a free download, the convenient app features the familiar look and intuitive display style of the best-selling TU-3 pedal tuner. Using the mic in your device, you can tune a guitar, bass, and other instruments like violin, cello, brass, etc. You can also use it to check pitch accuracy as you practice singing. In addition to chromatic tuning, the app can sound reference pitches for tuning by ear. And with the included newsfeed, you’ll always stay up to date with the latest info on BOSS artists and gear.

The BOSS Tuner app is available on the App Store and Google Play.

Supported Devices
Requires iOS 8.0 or later.
Compatible with iPhone, iPad and iPod touch.
Recommends Android 4.1 or later.
Download on the AppStore
Get It on Google Play



If you have questions about operating your BOSS product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.