PiaKeys: Piano MIDI

PiaKeys is a piano learning and MIDI practice app for digital piano players.

Connect your piano through Bluetooth MIDI or USB MIDI, then see notes in real time on a responsive keyboard, note monitor, and sheet preview. PiaKeys helps learners understand note names, solfege, velocity, timing, and MIDI behavior while practicing.

Key features:
• BLE MIDI and USB MIDI input
• 88-key piano visualization
• Note names and solfege display
• Piano sample playback
• Sheet note preview with treble and bass clefs
• Metronome with tempo and time signature controls
• MIDI song import and app-side playback
• Optional USB/BLE MIDI output for supported devices
• Light/dark mode
• English, Vietnamese, and Japanese language settings

PiaKeys is designed as a focused piano practice lab for learning music notes, testing MIDI connections, and experimenting with digital piano workflows.

USB MIDI is recommended for the most stable timing. Bluetooth MIDI support depends on your piano and Android device.