Pocket Chordsmith

Mobile chord and beat sketchpad
Tap Play to begin audio
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Key
Scale
Time
Chord type
Progression
Chord palette
Highlighted chords = suggested next chords
Tap a bar, then choose a chord
Melody pads
Try notes live
Beat sequencer
Resolution: Full
Advanced rhythm tools
Beat cells now cycle Off → Hit → Accent. On hats, Accent becomes an open hat. Full = 1 step per beat. Half = 2 steps per beat. Quarter = 4 steps per beat. Triplet = 3 equal steps per beat.
Melody sequencer
Tap empty cell to place current note. Tap filled cell to cycle upward. Drag right from a note to hold it across steps. Long press to clear. Extra melody tracks are available in Advanced mode.
Parts
Build up to four sections, set each section length, then arrange them into a song sequence.
Song sequence
Tap a slot to cycle A/B/C/D. Long press clears it. Use + Slot to extend the song. Export can render the full song sequence.