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Strumhold vs Polychrome Computer

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Strumhold compared with Polychrome Computer
DetailStrumhold logo StrumholdPolychrome Computer logo Polychrome Computer
What it doesGuitar practice app that listens to your playing and scores chord changes and scales Compact creativity
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Not given
PricingFree (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 Not given
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
  • Eight labeled chords for the detected key
  • Chord voicing options including sevenths, sus2, sus4, add9, first inversion, and no third
  • Installable to home screen like a calculator
  • No audio recording
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
  • No audio is recorded; sound is analyzed and discarded in real time
  • Runs entirely offline after first load with no uploads to servers
  • Installs like a calculator app on your home screen for quick access
Community votes00
DR (Domain Rating by Ahrefs)10 no change since last check4 no change since last check
Trust Flow (Majestic)38
Citation Flow (Majestic)1817
Referring domains (Majestic)54

3 details filled in for both companies.

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