Universal Tuner

21.7K reviews
Content rating
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About this app

The tuner for stringed musical instruments.

Absolutely free, no annoying ads! Fully autonomous and does not require access to the Internet, nor any other additional permits.

This tuner allows to tune a variety of musical instruments: six- and seven-string guitar, bass guitar, gusli, balalaika, domra, lute, ukulele, koto, shamisen, violin, viola, cello, double-bass, kalimba, oud, banjo, guzheng, gayageum.

Lightweight application with a highly efficient detection algorithm. Less memory and CPU usage, which
makes battery life longer, Even on devices with weak CPU response still very smooth and fast, that allows for the tuning process to be precise and quick. This is not like a slideshow with a long delay, as in many other guitar tuner applications.

Minimalist and informative design does not distract, making the tuning process easy and comfortable.

High pitch detection accuracy (up to 3 cents). Works with wide range, allows to tune whole piano.

The tuner's memory has preset of more than 90 kinds of tunings for instruments listed above, including, but not limited to:
- Standard tune, as well as Drop D, Open C, Open D for a six-string guitar;
- "Russian" and "Gypsy" tune for a seven-string guitar;
- Academic diatonic tune for 15- and 17-string resonant gusli (Russian psaltery), as well as several kinds of "folk" tunes for the wing- and helmet-shaped psaltery, from 5 to 22 strings, including famous "Music Maker"/"Melody Lap Harp" ("Perepelochka").
- Academic and "folk" tunes for a balalaika;

It allows you to set a pitch frequency for A4, other than 440 Hz.

Tuner mode:
- Auto (default) - The tuner will try to determine which string is tuned at the moment, changing the color of already tuned strings.
- Fixed - quickly double-tap the button for the desired string, and the tuner will not automatically switch to another string. To return to automatic mode, press the button once again.
- Chromatic - displays piano pad to select any note to tune. It can be used to tune up any instrument, even a piano. Chromatic mode is accessible from the drop-down list with the tunes names.

Additional features:
- Playing sound tone of selected string with a single tap;
- The tone generator for tuning "by ear" (tap and hold. To switch off – short tap the same button again);
- Beep when the tuning of the selected string reaches a predetermined frequency.
Updated on
Apr 8, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

20.7K reviews
January 26, 2024
It's been a few more years and still a Great app. I have never had any problem with it. Best tuning app ever. Thank you.....seriously. Great app. It's %100 free it has no annoying advertisements cluttering up the screen. It's accurate and easy to use. Has worked on many different devices and never had any problems. Very happy with it Thank You.
30 people found this review helpful
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A Google user
November 14, 2019
It's responsive and accurate. Overall I like it, but it suffers from some major glitches. First, the display of the pitch gets confused sometimes and scrolls frantically back and forth as if searching for the pitch it is to display. This makes it frustrating when I am practicing intonation on my violin. Secondly, it sometimes displays the right pitch but in the wrong octave. If those can be fixed, I would be elated with this app and how well it works.
24 people found this review helpful
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Phrickin' Phylean
November 28, 2022
It's pretty diverse in the options of instruments it offers and it even picks up your voice and tells you how close to the note you are makes a cute little beep the green thumbs up or check mark to let you know and it's absolutely perfect just in case you're still looking down at your fretboard. It better stay free because musicians are starving!
20 people found this review helpful
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What's new

* Privacy policy clarification (as required)
+ Several new tunings
+ Single tap locks string as default (configurable)