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Tonegraph is the instrument tuner. It is possible to tune your instrument quickly and accurately. Further, It is possible to watch the spectrum and waveform of sounds.

Tonegraph app is a chromatic instrument tuner that allows you quickly and accurately tune your instrument. Further, this allows you to watch the spectrum of sounds and know the overtone structure of your instrument or your voice. The working range of the app is 30 Hz to 4000 Hz. The exact pitch name and cents of the sound is displayed. Works as guitar tuner, violin, flute, trumpet and more

-Analog like chronograph
-Shows pitch name
-Shows sound spectrum and waveform
-Many color variation of spectrum chart
-Selectable detection threshold
-Display range is -50 to +50 cent

What’s New

Version 1.1.0

- It is now possible to watch waveform of sound.

App Privacy

The developer, Shinichi Takemura, 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.


  • Family Sharing

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

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