Guitar practice app that listens to your playing and scores chord changes and scales
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Stage
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Founded
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Based in
US
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Pricing model
Freemium
Free
Pricing
Free (Practice plan): chord and scale drills, practice history, offline access, up to 7 rest days per year, one jam in C major. Sync $19.99/year or $2.99/month: adds cloud sync across devices and backup. Pro $59.99/year or $8.99/month: adds Diagnosis coaching, all jams in every key, full Songbook ac
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Key features
Scale practice with note-by-note feedback
Practice progress visualization with stronghold building
Offline-first web app with device-local storage
Jam with looping band in multiple keys and scales
Cloud sync across multiple devices
Diagnosis coaching for chord change weaknesses
Songbook showing playable real songs
Rest days system to maintain practice streak
Data export to file
Chord identifier that names any fret shape entered
Playback of chord sounds using recorded instrument samples
Support for capo positioning in chord identification
Interactive guitar scales with fretboard visualization
Chord progression generator with playback and sharing
Piano chord finder showing tones and inversions
Slash chord notation for bass notes
Multiple chord names for the same shape
Copy link to save tool state
No account required, browser-based calculations
What makes it different
Listens to your actual playing and scores every change in real-time via audio
No account, ads, or tracking required for free practice
All practice data stored locally on your device, never uploaded
Works completely offline once installed
Works entirely in the browser without requiring an account or uploading data
Identifies chords from fret positions you enter, showing exact matches and bass notes
Displays multiple chord names when the same notes form different chords
Includes related tools for scales, progressions, and piano chords on the same platform
Provides music theory explanations and linked references alongside practical tools