Tuner & Metronome is the best free app for musicians.
Professional hands-free metronome and most accurate chromatic tuner app.
Designed by musicians - superfast, simple and easy!

With one touch, you can:

• Start / Stop the metronome
• Set a combination of sound / flash light / vibration / visual beats
• Turn on tuner
• Record your play
• Select rhythm pattern
• Use black screen battery-saving mode

Cover the proximity sensor with hand motions to:
• Stop the metronome in battery-saving mode


• Tuner with 2 modes: (1) chromatic tuner measuring sound pitch and intensity (2) pitch fork mode
• Customizable A4 frequency (440Hz by default)
• A real metronome shouldn't lag beats: our app never lags
• Record your music with integrated one touch recorder

Flash light metronome mode
• If you can't hear the sound of the metronome, due to the speaker volume limit or loud background noise, you can turn on the flash light metronome mode. In this mode you can easily see the beats as flashes of light. Project the flashlight to the wall, then the entire wall can flash the beats.

Large start button
• Start the metronome with single easy press of the button.

Additional features

• Supports all instruments, with many active piano, guitar, ukulele, mandolin, violin, cello, viola, bass, drum, flute, harmonica users!
• Supports all kind of transposed instruments, including B-flat clarinet, F horn, E-flat saxophone, D-flat piccolo, and many others.
• Scales practice
• Precise beats per minute (BPM) control
• BPM detector
• Practice time tracker
• High precision tuner
• Visual metronome mode using flash light of the camera
• Tuning fork, pitch pipe

What's New

Version 5.8.3

Minor bug fix

Ratings and Reviews

4.5 out of 5

39 Ratings

39 Ratings

C'est très bon! Mais...

L'alto > Tout les autres

Below was my review, but now when I am using the app, tuner or metronome, the video thing shows up on my iPhone in iOS 9, and sometimes plays a long note and sometimes doesn't play anything, but it is really annoying because it interrupts my practice. It will also crash every 10 seconds (and I mean every 10 seconds). Could you please fix this? With it fixed, my review below is totally correct. And is anyone else having this problem?

I love the app. It has both a tuner and a metronome, so I only have to have one app. It's very accurate, and I tried out a lot of apps before this one. I like this one the best. It works for all instruments, even though when you go to tune there is a guitar symbol. I highly recommend it.

By the way, my nickname says "the viola > all the others." I clearly play viola. 😂

Great for tuning my cello!!!!!


I use this app to tune my cello and my teacher always complements me for being perfectly in tune. I only use the tuner part of the app but it other cool features as well. I don’t know how it works for other instruments but I highly recommend it for other cellists.

It was ok, but needs improvement.


This was my first time using this app, and it was going great! I got my A string, my D string, and my G string, on my VIOLA! But I had a hard time with my C string. Once the app said I got it, I heard a slightly quiet pop, then my C went way out of tune. I'm a mediocre player, I only know how to use the knobs, not the tuning pegs. My C string is almost a spaghetti string. Please fix this, so this won't happen to anyone else's' instrument.


40.7 MB
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, Arabic, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Persian, Polish, Portuguese, Russian, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Age Rating
Rated 4+
© Copyright 2017 Onsquare Co.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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