Best Twelve-Tone Tuner Apps

BOSS Tuner

by Roland Corporation

Free

This app offers world-renowned chromatic tuning technology for iOS devices, replicating the look and feel of a popular pedal tuner. It uses your device's microphone to tune a wide range of instruments, from guitars and basses to strings and brass. An audible reference pitch function and enlarged meter view enhance the tuning experience.

KeyTuner

Precision Instrument Tuner

Free

This app offers precise chromatic tuning for a wide range of instruments with a clear, visual interface. It features advanced algorithms for accurate detection of notes, including those with overtones and vibrato, making it suitable for both tuning and intonation practice.

Tuner by Piascore

The Ultimate Chromatic Tuner

$4.99

This app provides a chromatic instrument tuner and pitch pipe for musicians. It offers accurate tuning for a wide range of instruments using your device's microphone, with advanced features for precise adjustments.

Harmonic Tuner

Precision Tuner + Harmonics

Free

This app offers precision tuning for string instruments with a live readout and detailed harmonic analysis. It helps musicians check intonation, refine notes for recording, and study overtones and sustain with a focused workflow.

Pano Tuner Lite

Guitar, violin, cello & piano

Free

This application listens to your instrument's sound and displays its pitch, allowing for accurate tuning by showing the deviation from the desired note. It offers a wide pitch sensor range and customizable settings for concert-A frequency and sensitivity.

Tuner

with Metronome

Free

This music tool helps you tune instruments by detecting sound frequencies and displaying musical notation. It also includes a metronome with adjustable tempo and time signatures, and allows simultaneous use of both features.

Tuner - Guitar, Ukulele, Bass

All-Instrument Tuner

Free

This app offers a fast, accurate, and easy-to-use tuner for over 50 instruments, including guitar, bass, and ukulele. It features auto-tuning, chromatic mode, and the ability to save favorite tunings, making it suitable for musicians of all levels.

insTuner Free - Chromatic Tuner

by Polybeat PTE. LTD.

Free

This app offers precise chromatic tuning for a wide range of musical instruments. It features an intuitive interface with a unique note wheel and tone generator, supporting various input modes for accurate tuning.

Fender Tune: Guitar Tuner App

Chords, Scales and Metronome

Free

This app offers precision tuning for guitar, bass, and ukulele with multiple modes and customizable options. It also provides a comprehensive suite of practice tools, including chord and scale libraries, and metronome functionality.

Tuner ∞

by Panoramic Software Inc.

Free

This highly accurate and customizable digital tuner is essential for musicians of all levels. It offers visual feedback on pitch deviation and sound frequency, with automatic or manual note selection. An optional metronome with perfect timing is available via in-app purchase.

Tuner Lite by Piascore

The Ultimate Chromatic Tuner

Free

This app provides accurate chromatic tuning for a wide range of musical instruments using your device's microphone. It features a responsive needle meter, pitch pipe, and automatic calibration for precise tuning. An optional full version offers advanced features.

Tuner

The only app for your watch

$0.99

$1.99 | 50% OFF

This application uses your device's microphone to help you tune instruments. It supports tuning to custom notes and is compatible with smartwatches.

Tuner PRO: guitar,ukulele,bass

Cello, violin, piano tuning

Free

Easily tune a variety of string instruments like guitars, ukuleles, violins, and cellos. Features customizable tuning presets, a chromatic tuner, and a built-in tuning fork. Designed for clear visibility from a distance.

Chromatic tuner - FlashTune

Perfect tuning with our tuners

Free

Achieve perfect intonation with this highly accurate tuning application. It supports a wide range of instruments and offers customizable settings for musicians of all levels. Its intuitive interface makes tuning quick and easy.

Guitar Tuner - Simply Tune

Ads Free, Everything Unlocked

Free

This app provides a user-friendly and accurate way to tune various stringed instruments. It offers step-by-step visual guidance, auto and manual tuning modes, and an essential chord library for learning songs.