The pitch scope app measures sound from the microphone and displays its pitch(frequency), waveform, and spectrum in real time. Use this app to analyze voices and instrument sounds.

Why do vowels U O A E I sound like U O A E I? You can see and check the waveform and spectrum of each vowel. 
When you hear someone says “this guitar sounds brightly and that one sounds heavy”, what is the difference? For such a question, you can check it with this app.

What’s New

Version 1.11

Rebuilt for iOS 14
Improved operability when using an audio file as an input source

App Privacy

The developer, NOKKEUSI Inc., 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


  • Family Sharing

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

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