わおん — Music Transcriber

Analyze, edit & export notes

Free · In‑App Purchases

Turn recordings into editable notes, loop difficult passages, and export MIDI or MusicXML. Try 30 seconds free; unlock once across iPhone, iPad, and Mac. See the notes inside your recordings with わおん (WaoN), a visual music transcription workspace for iPhone, iPad, and Mac. Open an audio file or record directly, then explore its waveform, spectrogram, and detected notes together on one synchronized timeline. ANALYZE AND EXPLORE • View the waveform, spectrogram, and detected notes together • Seek and zoom through the recording • Adjust playback speed and pitch without changing the source audio • Set a loop to study difficult passages repeatedly • Switch between spectrum, overlay, and notes displays EDIT DETECTED NOTES • Select and audition individual notes • Move notes in time or pitch • Add or delete notes • Fine-tune pitch, start time, end time, and velocity • Undo and redo your edits EXPORT YOUR WORK • Export detected and edited notes as MIDI or MusicXML • Automatically estimate key and tempo before export • Adjust key and tempo manually when needed • Save exported files or share them with compatible music apps TRY IT FREE The free version lets you analyze, edit, and export the first 30 seconds of a recording. A one-time Full Unlock enables complete recordings across iPhone, iPad, and Mac through Universal Purchase. No subscription is required. PRIVATE BY DESIGN Audio analysis takes place on your device. No account or sign-in is required, and your recordings are not uploaded for analysis. わおん is designed for musicians, students, teachers, arrangers, and anyone who wants a visual and editable starting point for music transcription.

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

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    Information

    Seller
    • Kengo Ichiki
    Size
    • 3.7 MB
    Category
    • Music
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Kengo Ichiki
  • Developer Website
  • Privacy Policy