Browser-based melody grid for sketching short musical ideas with MIDI and WAV export
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: access all catalog songs, add 5 new songs per month, edit charts, songs up to 12 minutes. Song packs: 10 songs ₹49/$2.99, 30 songs ₹99/$5.99, 100 songs ₹249/$12.99 (one-time purchase). FlexChords Pro (coming soon): ₹99/month or ₹799/year ($3.99/month or $29.99/year), includes unlimited songs u
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Key features
Automatic chord detection from YouTube videos and audio files
Real-time synced chord playback
Key and tempo detection
Instant chord transposition
Chart editing and customization
Slow down playback without pitch change (Pro)
Capo suggestions and simplified chords (Pro)
PDF export of chord sheets (Pro)
16-step melody grid
Browser playback
Key and scale controls including major, minor, pentatonic, and blues
Optional backing chords and editable chord progressions
Instrument timbres powered by SoundFont samples
MIDI download for editing
WAV download for audio playback
Light and dark themes
Preset melodies and random melody ideas
What makes it different
91% chord accuracy on unseen songs using proprietary model
All catalog songs free to play and transpose
User-editable charts saved to account
Crowdsourced chord library that improves for all users
Built specifically for musicians learning by ear
Runs entirely in the browser without installation or account required
No upload or cloud storage of melodies
Focused on melody sketches rather than full song generation