In tune. In time.

A precision workspace for tuning and practice. Tune listens to one clear note at a time. Pick your instrument and tuning, or choose chromatic for any supported note. Keep time opens your metronome.

Tap Focus for a stripped-back performance view. Tap Tweak to return to the full controls. Search, favourites, custom tunings and advanced preferences stay tucked away until you need them. Day and Night change the appearance only.

Microphone sound stays on your device and is never recorded. Playing tones or the metronome pauses listening. Use the tips below for pitch, permissions and safe string tension.

Tuning & timing tips

Please check carefully: this tuner is not 100% accurate and can make mistakes. Check the note and octave before adjusting, and never overtighten strings. If a reading seems wrong, stop and compare with a reference tone or another trusted tuner.

Use Safari on iPhone or Chrome on Android. Tap Start listening and allow microphone access. In a quiet spot, pluck one open string and let it ring. Keep other strings muted. Tune one note at a time, not chords. Listening stays on until you stop it, play a reference tone, or leave the page. If the string fades, the last reading is labelled and dimmed; pluck again without restarting.

Flat? Gently tighten the string. Sharp? Gently loosen it. The default green zone is within ±5 cents; change it under Tuner preferences. Pick a string to hold its target, or use Auto detect.

The metronome and reference tones pause the microphone so the tuner won’t listen to itself. Tap Start listening again when you’re ready. Keep your volume comfortable.

Concert pitch defaults to A4 = 440 Hz; you can adjust it above. 12-tone equal temperament. Bowed instruments may use pure fifths in ensemble practice; this version does not provide orchestral sweetening. Supported analysis range: 20–1,400 Hz. Deep bass needs a clear sustained note; phone microphones can miss the fundamental. If the octave looks wrong, stop and check a reference tone. Do not chase an unreliable reading.

Changing tunings: check suitable strings, tension and instrument setup first. Never force a string upwards to reach a preset. Lap steel and banjo have several conventions: use only the listed note/octave sequence that matches your instrument.

This first version needs internet to open. You can bookmark it on your phone; no download is required.

In 6/8, 9/8 and 12/8, BPM counts dotted-quarter main beats; dots show eighth-note subdivisions. Other meters label their counted note explicitly. Accent choices change emphasis, not beat duration.