Free chord charts and setlists app with optional one-time purchases
Interactive French horn fingering chart, tuner and orchestral audition tools
Stage
Not given
Startup
Founded
Not given
2026
Based in
US
Not given
Pricing model
Freemium
Free
Pricing
Free core app. Optional features: Custom skins and emojis $4.99, Chord Builder $2.99, Linked devices $4.99, Popout displays $7.99, Practice $9.99. Bundles: Setliner™ Pro $14.99, Pro + Practice $22.99. Team plans: 5 seats $49.99, 10 seats $89.99, 5 seats with Practice $94.99, 10 seats with Practice $
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Key features
Song library with search, tags and A-Z index
ChordPro, plain-text and PDF import and export
Live transposition and capo selection
Chart viewer with auto-scroll and Bluetooth foot-pedal control
Setlist creation with per-song key and capo overrides
Nashville numbers display system
Chord Builder for exploring voicings and overrides
Linked devices for synced playback across multiple screens
Custom annotations and markup tools
Practice mode with chord highlighting and tempo feedback
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
Free core app with no subscription or time limits
One-time purchase model instead of recurring subscriptions
Works offline with files stored in your chosen folder
Available across Windows, macOS, Linux and Android platforms
Hands-free control via Bluetooth foot pedals
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
HornLib