Free: up to 500 tracks forever. Pro Monthly: $6.99/month, billed monthly, cancel any time. Pro Yearly: $59/year (save 30%).
Free version includes pen, highlighter, eraser and whiteboard mode. Pro is $9.99 once and adds shapes, text and export; includes license for 5 Macs, all 1.x updates and 14-day refund.
Key features
Local BPM, key and energy analysis from audio
Harmonic matching with reasons
Set Brief with energy planning
Auto Flow for running order optimization
Spiral Paths with alternative transitions
Set Check for transition and energy validation
Export to Rekordbox, Traktor, Serato and more
Gig Log to track prepared vs. played sets
Forgotten Gems to rediscover underused tracks
Runs 100% offline in your browser
Pen tool for drawing
Highlighter for emphasizing
Whiteboard mode
Drawings stick to windows as they move
Shapes (Pro)
Text insertion (Pro)
Export drawings (Pro)
Works on Zoom, Meet, Teams and presentations
Fully editable vector ink
What makes it different
No music uploads—all analysis runs locally in your browser with no cloud processing
Shows the reason why each track fits before you commit
Plans energy arc deliberately with a Set Brief that drives the entire workflow
Prepares alternative exits (Hold, Lift, Reset, Surprise) without repeating tracks
Exports to the DJ software you already use and integrates with your existing setup
Drawings automatically stick to windows and follow them when moved or resized
Works invisibly without accounts, analytics or tracking
Free version includes core features; Pro is one-time $9.99 purchase not subscription
Spiral DJ
JellyDraw