UniTuner - Chromatic Tuner 4+

For all instruments

Klaus Fecker

Designed for iPad

    • 4.5 • 21 Ratings
    • Free
    • Offers In-App Purchases



Chromatic Tuner for all Instruments


- Capo Simulation
Put a capo on your instrument and still get your used results.

- Precision Cent meter with direct response
No more guessing around the reading of your tuner from the bass to the highest pitch with 1/10 of a cent accuracy.

- Chord detection
Hit many strings at once and get the name of the chord you played. Freeze a root note and see the postion of a note in the chord of the root note. Quint, quart, minor/major third and so on.

- Audio play back function
Use the sine wave generator to tune your drums or tune your instrument by ear.

- Audio visualizer (Spectogram)
Get an idea of the overtone spectrum of your intrument.

- Customize the concert pitch
Ranges from 400 Hz to 480 Hz.

- Over 120 tunings for string instruments including:
Piano, Cembalo, Woodwinds, Guitar, Baritone, Baglama, Banjo, Tenor Banjo, Bass, Cello, 3 course Dulcimer, 4 course Dulcimer, Fiddle / Violin, Kora, Koto, 4 String Mandobass, 8 String Mandobass, Mandolin, Oud, Pedal Steel Guitar, Piano, Ukulele, Baritone Ukulele, Bass Ukulele, Soprano Ukulele, Vihuela, Viola, Zheng.

- Choose a temperament for your open tunings:
Just Intonation, Just Intonation II, Just Intonation (Barbour), Pythagorean, Meantone, Aron, Bach/Klais, Barca, Kellner, Kirnberger II, Kirnberger III, Rameau, Rossi I, Rossi II, Salinas, Silbermann, Vallotti, van Biezen, van Zwolle, Werckmeister III, Werckmeister IV, Werckmeister V, Werckmeister VI, Young I, Young II, Zarlino
or create and store your own custom temperament.

If you like playing in open tunings, try and set the UniTuner to Just Intonation and to the root note of your tuning and be amazed by the different sound quality of a pure tuning.

What’s New

Version 3

- Improvements of the user interface
- Improved detection algorithm
- Less energie consumption

Ratings and Reviews

4.5 out of 5
21 Ratings

21 Ratings

App Privacy

The developer, Klaus Fecker, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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