Maestro · The most beautiful way to tune, keep time, and practice.
A guitar tuner and metronome with no ads, no subscription and no mic recording
Tuner apps tend to bury the needle in ads or lock basics behind a subscription. Maestro's tuner and metronome are free forever; Pro is a single $4.99 purchase.
Tuner and basic metronome free. Pro unlock $4.99 once.
Stable chromatic tuner
Fast needle, cents readout, strobe view and a green cue when you are in tune.
Instrument presets
Guitar, bass, violin, ukulele, brass and voice, plus alternate tunings and an A4 reference of 415 to 466 Hz.
Sample-accurate metronome
Tap tempo, subdivisions, accents, count-in and a haptic pulse.
Honest practice log
Day streak and session history, with Pro charts and export.
How it works
- Pick your instrument.
- Play a string and watch the needle lock green.
- Switch to the metronome and log your practice.
Questions
Is there a free guitar tuner with no ads?
Yes. Maestro's chromatic tuner and basic metronome are free with no ads.
Does Maestro record my microphone?
No. Pitch detection runs live on-device and audio is not stored.
Is Pro a subscription?
No. It is a one-time $4.99 purchase.
Can I change A4 or use alternate tunings?
Yes, from 415 to 466 Hz, with alternate tunings and transposition.
Is it on iPhone and Android?
Yes, both.