Guitar practice app that listens to your playing and scores chord changes and scales
Piano practice app with MIDI feedback for iPhone and iPad
Stage
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Founded
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Based in
US
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Pricing model
Freemium
Freemium
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
Loop selected measures for focused practice
Practice hands separately at a chosen tempo
Review matched and missed notes with MIDI on compatible scores
Build scale, chord, pattern, and ear fluency in every key center
Plan practice days for pieces and drills
Track problematic bars and per-measure progress
Browse a curated piano score catalogue
Import your own MusicXML, MXL, MIDI, and PDF scores
Annotate PDF scores with ink
Sync practice history and goals through iCloud
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
MIDI feedback shows exactly which notes and rhythms you missed against the score
Circle of Fifths framework for ear training and technique in all 12 keys
Built-in practice planner to organize repertoire, warm-ups, and technique in one weekly plan
Designed for musicians who already read music with depth and flexibility