Interactive French horn fingering chart, tuner and orchestral audition tools
Stage
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Startup
Founded
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2026
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)
46-note F/Bb interactive fingering chart
Strobe tuner with cent deviation gauge
Just intonation drone generator
12-key transposition tool
FFT spectrum analyzer
Orchestral audition solo excerpts
Mouthpiece cross-brand comparison matrix
Stopped horn physics guide
Complete solo score sheets
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
Principal-verified fingerings at A=440/442 Hz concert pitch
ISO 16:1975 certified acoustic calibration
Interactive 3D rotor tubing simulation for both Geyer and Kruspe architectures
Web Audio engine for listening to famous orchestral horn solos
24-hour support response guarantee with multi-language assistance
FlexChords
HornLib