Guitar Tuner Pro features

Tune, learn and practice with one app.

A tuner for guitar, bass and ukulele, with guitar lessons, a chord library and a metronome for the moments in between.

01 / Tuner

Pluck a string. Watch the needle.

Tune a guitar, bass or ukulele with your phone’s microphone, in automatic or manual mode, in standard tuning or an alternate tuning.

Standard tuning is free for every instrument. The subscription unlocks the alternate tunings, from Drop D to open tunings.

Explore Tuner

Guitar Tuner Pro tuner screen: guitar in standard tuning, auto mode on, a tuning gauge above the guitar headstock and one button per string

02 / Guitar lessons

Your first chords, step by step.

Short lessons that listen through the microphone and check each chord and note you play, from open strings to barre chords.

Every lesson is open without a subscription. Free users see ads between lessons.

Explore Guitar lessons

A Guitar Tuner Pro lesson asking you to follow the rhythm between an E and a D chord

03 / Start playing

Everything else you need to practice

The chords of a song displayed in Guitar Tuner Pro while it plays, with the E chord diagram and the next chord coming up

Chords AI iPhone & iPad

See the chords of a song as it plays.

Import a song from your files or your music library and follow its chords on a timeline, with chord diagrams for guitar.

Chords are detected on your device. Free users see the chords of the first part of each song; the subscription unlocks the whole song, lyrics and all the separated tracks.

Explore Chords AI

Chord quiz in Guitar Tuner Pro: a chord diagram, the question “What chord is this?” and two answers, G and D

Chord library

504 guitar chords to look up and hear.

Every chord as a diagram with the fingers to use, several positions on the neck and a play button to hear it. Then test yourself with the chord game.

All C chords are free. The subscription unlocks the other eleven root notes.

Explore Chord library

Metronome

Keep the beat while you practice.

A metronome from 30 to 250 BPM, with tap tempo, time signatures, subdivisions and 15 sounds.

Set the tempo with the dial for free. Tap tempo, time signatures and subdivisions come with the subscription.

Explore Metronome

Small tools that make a difference

Chromatic mode

Tune any instrument note by note: the chromatic tuner shows the nearest note and how far you are from it. Free on iPhone and Android.

Reference notes

Tap a string on screen to hear the note it should play, then tune by ear.

Left-hand mode

Flip the strings and the chord diagrams for left-handed players.

Daily streaks

Complete a lesson a day to build your streak, with a goal of 7, 14, 30 or 50 days.

More instruments on iPhone

On iPhone and iPad, also tune a 7-string or 12-string guitar, a 5-string bass or a violin.

Input level on Android

On Android, two meters on the tuner screen show how loud the microphone hears your string.

iPhone or Android: what’s included

The tuner, the lessons, the chord library and the metronome are on both platforms. Chords AI and some instruments are on iPhone and iPad only.

Feature	iPhone & iPad	Android
Tuner: automatic and manual modes	Yes	Yes
Instruments	Guitar (6, 7 and 12 strings), bass (4 and 5 strings), ukulele, violin	Guitar, bass, ukulele
Tunings	110	79
Chromatic mode	Yes	Yes
Guitar lessons	52 lessons	40 lessons
Chord library and chord game	Yes	Yes
Metronome	Yes	Yes
Chords AI (song chords, lyrics, track separation)	Yes	No

New to tuning?

Start with the notes of each string and a simple method, then come back to the app.

How to tune a guitar Explore the guides

Tune up and play

Every practice session starts with a guitar in tune.