Professional chromatic tuner for Piano, Guitar, Violin.
(E Tuner is tuned relative to A446 Hz)

- High Accuracy ±2 cent (±0.02 semitone)
- Tone generator (20 - 20 000 Hz)
- Frequency meter

Tune your acoustic guitar with E Tuner free.

App uses device microphone for precise tuning your musical instruments.

Also app can use to Headphones test for engineer and professional sound designer. This helps choice headphones which one offers best performance.

What’s New

Version 1.2

- iOS 11 support

Ratings and Reviews

4.4 out of 5
5 Ratings

5 Ratings

HalLeath ,

Key of A 440 is 446hz on this app. Help

Key of A 440 is 446hz on this app. Help please. The settings can’t help either

App Privacy

The developer, Vitalii Gryniuk, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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