Harmono

Listens to your piano playing (mic or MIDI) and reports the exact measures where timing or notes slipped.

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Harmono is a mobile app for iOS and Android that listens to your piano playing and provides real-time feedback, multiple play modes (Learn, Practice, Audition BETA, Vibe-Playing), and live audio→sheet-music transcription. Features include falling-tiles notation in Learn mode, instant feedback and measure-level reports in Practice mode, masterclass-style feedback in Audition mode, adaptive accompaniment in Vibe-Playing, live transcription with export to PDF or MIDI, and support for microphone or MIDI input. The app works with any piano with no setup required and accepts MusicXML and MIDI uploads for interactive play.

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