Start Tuner

Click to activate the microphone and tune your instrument

Tune Any Instrument

A real-time chromatic tuner that works with any instrument or voice. See the detected note, its frequency, and exactly how many cents sharp or flat you are.

Full Experience

9 tools on iOS & Android

Pitch Spectrogram (Poly)
Intonation Tracker
Spectrum analyzer
Tone generator
Keyboard
Interval Trainer
Solfege Trainer
Recording & playback
Works offline

At a glance

Tuner pitch diagram
Pitch Over Time

The diagram on the left scrolls your pitch history in real time. See how your intonation evolves note by note -- useful for spotting drift and tracking stability.

Tuner bar
Note, Cents & Frequency

The tuner bar on the right instantly shows the closest note name, how many cents sharp or flat you are, and the exact frequency in Hz. Green means you're in tune.

9 Tools for Musicians

The Tuner is one of nine tools in the mobile app. Each is designed to give you a different perspective on the sound you produce.

Pitch Diagram screenshot

Pitch Diagram

Real-time pitch graph. See every note you sing or play.

Tuner screenshot

Tuner

Cent-accurate chromatic tuner with spectrogram context.

Pitch Spectrogram (Poly) screenshot

Pitch Spectrogram (Poly)

See multiple notes at once. Analyze chords and harmonies.

Intonation Tracker screenshot

Intonation Tracker

Track how close you are to each target note in cents.

Spectrum Analyzer screenshot

Spectrum Analyzer

Full frequency spectrum from 0 Hz to 8 kHz.

Tone Generator screenshot

Tone Generator

Generate reference tones by note name or frequency.

Keyboard screenshot

Keyboard

Sampled instruments, visual feedback, and quick octave controls.

Interval Trainer screenshot

Interval Trainer

Train in-key scale degrees over chord progressions with leveled difficulty.

Solfege Trainer screenshot

Solfege Trainer

Sing the target degree while a pitch diagram tracks you in real time.

Available on iOS and Android