Chromatic Instrument Tuner, HZ 4+

Guitar, Ukulele, Banjo & more

Ullrich Vormbrock

Designed for iPad

    • 5.0 • 1 Rating
    • Free
    • Offers In-App Purchases



Tune all your string instruments with the integrated pitch detection engine and get immediate feedback about frequency, note and octave.

An absolute must-have: this chromatic banjo tuner is very fast and accurate, and recognizes all strings using the built-in mic! Easy and foolproof fine-tuning available also for the following string instruments:

- Guitar,
- Banjo,
- Ukulele,
- Violin,
- Mandolin,
- Balalaika.

This app was developed by a professional musician and electrical engineer, and, thus, offers an ideal combination of high usability and cutting-edge signal processing.

Simple Instrument Tuner is easy to use and provides a highly aesthetic and customizable user interface.


+ Custom tunings for guitar, banjo, ukulele, violin, mandolin and balalaika.
+ Tone accuracy: +/- 1.0 cents
+ Large frequency range (55 Hz to 1000 Hz).
+ Calibration between 430 Hz and 450 Hz.
+ Gaugeable view of the detected tone (semitone) and octave.
+ Tuning by ear (also in conjunction with calibration).
+ Info button which explains all displays and functionalities.
+ Configurable user interface (color picker).
+ Free user support.
+ Developed for the iPhone and iPad.


Should you experience crashes (or other inconveniences) with this app, please contact me (before giving a low rating to the app!) - you may use the following contact form:
where you can describe the nature of your issue.

Furthermore, if you think that an important tuning is missing, just shoot me an email and let me know!
Thanks in advance!

What’s New

Version 1.3

- Localization into Turkish
- Localization fixes

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, Ullrich Vormbrock, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

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

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