Tuner ONE is a real replacement of good hardware tuners with precise tuning of electric guitar, bass guitar and ukulele sounds.

Unlike many other tuners Tuner ONE allows you to tune the electric guitar, acoustic guitar, bass guitar and ukulele smoothly, quickly and with the least fluctuations. The tuner can be used as a chromatic tuner (you can even tune a piano) and a tuning fork.

*** New Game ***
We have added a new game to improve your rhythm skills.
— Accurately reproduce the rhythm patterns.
— Remember the rhythm better.
— Play with friends.
— Compete around the world.
— Restore the rhythm from your memory faster.
Improve the sense of rhythm and get better!

Ability to customize to popular tune : Standard, Drop D, Drop C #, Drop C, Drop B.
Contains tuning fork.
Tips for Beginners.

The interface is designed to be seen from a distance of 1.7 meters or more. This will allow you to tune the guitar standing in full growth, and your phone can lie on the floor and you will clearly see the setting of each sound.

*** Help for Beginners ***
If you do not know what string you need to configure the tuner contains tips. We tested the tuner on people who never tuned musical instruments and they managed to tune the guitar.

The app contains the following subscription options:
— Weekly at $1.99*.
— Subscription automatically renews unless auto-renew is turned off at least 24-hours prior to the end of the current period.
— The cost of renewal is equal to the value that “Apple’s App Store Matrix” determines as the equivalent of the subscription price in $USD.
— Payment will be charged to iTunes Account at confirmation of purchase.
— Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase.

Privacy Policy:
Terms of Service:

*Prices can be different in different countries according to what “Apple’s App Store Matrix” determines as the equivalent of the subscription price in $USD."

What’s New

Version 2.3.7

Fixed app crash cause by microphone.

Ratings and Reviews

4.9 out of 5
19 Ratings

19 Ratings

Dmitry Razorman ,

Perfect tuner!

Great tuner! I started to use it after getting Metronome One.
This tuner is really simple to use! And there are tips how you can tune instruments!
I use it Using it for both electro guitar and ukulele.

misha767 ,


Great app! Quickly and accurately tuned your guitar. I think to recommend it to my friends.

dovgayamaria ,

Perfect tuner

Thanks for it, helped me a lot, going to use it

Developer Response ,

Very good review, thanks. We are glad we could help you.


Vladimir Grishman
110.7 MB

Requires iOS 11.2 or later. Compatible with iPhone, iPad and iPod touch.


English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese

Age Rating
In-App Purchases
  1. One week USD 3.99
  2. One month USD 15.99
  3. Lifetime access USD 94.99


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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