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Strumhold vs KATALOG

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 KATALOG
DetailStrumhold logo Strumhold KATALOG
What it doesGuitar practice app that listens to your playing and scores chord changes and scales A library manager for large, owned music collections
StageNot given MVP
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Free trial
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 Free 30-day trial. Support license: $30 one-time payment, no subscription. All basic features are free.
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
  • Four layouts: Play for DJing with AI mixing, Prep for building sets, Studio for comparing versions, Desk for release management
  • DJ Flow automatic mixing with harmonic matching by key and tempo
  • Works with Serato, rekordbox, Traktor, Engine, VirtualDJ, Mixxx and Apple Music in both directions
  • Writes artwork, lyrics, tags, tempo and beatgrids into audio files
  • Find fake bitrates, duplicates and missing files
  • Search in plain English for complex queries across the library
  • Live FX with echo, roll, filter, gate, crush, flanger and sample pads
  • Mini player and menu bar controls
  • Smart crates, hot cues, loops and A/B comparison that holds playhead
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
  • Local-first: nothing uploaded, no cloud, no telemetry, no account needed
  • Files never moved, renamed or re-encoded; your library stays yours
  • Reads existing Music, Serato and rekordbox libraries without altering files
  • Metadata embedded in files travels to any other app or machine
Community votes00
DR (Domain Rating by Ahrefs)10 no change since last checkNot checked yet −1 (down) since last check
Trust Flow (Majestic)322
Citation Flow (Majestic)1818
Referring domains (Majestic)513

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