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Developer's Description

Intonia is a Pitch Recorder. It's software intended to help string players visualize intonation. It combines the capabilities of an electronic tuner and a digital recorder. It keeps a memory of what it has heard, and displays pitch on a scrolling graph. You can specify what temperament to use: Equal, Just, or Pythagorean.

While it is recording, the display scrolls continuously. Your pitch is displayed as the height of the trace. If you're playing in tune the trace is white, but if you're sharp relative to your chosen scale and temperament, the trace is colored red. If you're flat, the trace is blue.

This new version never expires. The free version is limited to one minute of sound storage, A=440, equal temperament.

An in-app purchase will upgrade to the Pro version. The Pro version includes the following:

* 'A' frequency settable between 400 and 499 Hz

* Choice of Equal, Pythagorean, or Just intonation.

* File read and write. Save and restore audio files in .MP3 or .WAV format

* Rename or delete .MP3 or .WAV files

* Max file length selectable from 1 to 99 minutes

* Screen is kept on during recording and playback

* Option to lock screen rotation

* Playback and record in background mode while the screen is not showing

Here are some things you can do with Intonia:

* Play a fast passage, and see which notes were out of tune.

* See intonation in just, Pythagorean, or equal temperament.

* Tune your instrument.

* Use as a digital recorder to hear yourself play.

* Get instant feedback.

* Visualize articulations, slides, shifts, vibrato, etc.

* Use it for transcription.

* Works for all string instruments: cello through violin.

* Works for many other instruments as well.

For more information, please visit our website at

Full Specifications

What's new in version 2.5.8


Release October 25, 2019
Date Added October 25, 2019
Version 2.5.8

Operating Systems

Operating Systems Android
Additional Requirements Requires Android


Total Downloads 2
Downloads Last Week 0
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