Flowr - MIDI Chord Controller

Flowr transforms your Android device into an expressive MIDI chord controller. Sketch ideas, perform live, or control hardware synths — Flowr puts a complete chord palette at your fingertips. A smarter, more affordable alternative to hardware chord controllers — instant download, no waiting, no shipping. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SONGWRITER MODE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Write chord progressions using scale degrees (I–vii). Petal colours shape each chord. Inner petals add voice-led voicings for smooth, professional progressions. Use the quality toggle to flip major and minor instantly. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ THE PETAL WHEEL ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ At Flowr's heart is the Petal Wheel — a circle of fifths that makes key selection intuitive. Tap or slide to change keys instantly. Choose between: - Classic Circle of Fifths — Outer ring for major keys, inner ring for relative minors - Parallel Layout — Major and minor versions of the same root ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 9 CHORD PADS WITH XY CONTROL ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Each pad triggers a chord in your selected key. Drag your finger across any pad to send MIDI CC messages — a chord pad and XY expression controller in one. Chord types include major, minor, 7th, maj7, m7, 9th, sus2, sus4, add9 and m(add9). Change keys while holding a chord — Flowr automatically re-triggers the new voicing. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ GYROSCOPE MIDI ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Tilt your device to send continuous MIDI CC data. Control filter cutoff, reverb depth, or any parameter — just by moving your phone. Three axes, three assignable CCs. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ USB MIDI & INTER-APP MIDI ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ★ USB MIDI — Connect to hardware synths, audio interfaces, DAWs and computers ★ Inter-App MIDI — Control Android music apps like FL Studio Mobile, Caustic and G-Stomper Flowr appears as a MIDI device automatically. No complex setup required. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FULL CUSTOMISATION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ - Assign any MIDI CC to XY pad axes and gyroscope - Octave control — shift your range up or down - Open voicings for rich, spread chords - Toggle haptic feedback - Three modes: Songwriter, Explorer and Parallel ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ COMING SOON ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 Chord lock — Hold chords hands-free 🎯 Arpeggiator — Turn chords into patterns 🎯 Strum mode — Expressive chord strumming 🎯 BLE-MIDI — Wireless connection to iOS, Mac and BLE-MIDI hardware Have a feature request? Visit getflowr.io/support ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY FIRST ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ No analytics. No tracking. No ads. Your music stays yours. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Flowr is made for musicians, by musicians. Website: getflowr.io Support: getflowr.io/support