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KATALOG vs MidiSlayer

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

KATALOG compared with MidiSlayer
Detail KATALOGMidiSlayer logo MidiSlayer
What it doesA library manager for large, owned music collections Learn to read music by playing it on a MIDI keyboard
StageMVP MVP
FoundedNot given Not given
Based inNot given GB
Pricing modelFree trial Freemium
PricingFree 30-day trial. Support license: $30 one-time payment, no subscription. All basic features are free. Free: Beginner lessons, Note Flashcards, Blitz game, daily Cascade challenge, Pop Loop jam session, and 4 playable pieces. MidiSlayer full version: $49.99 USD one-time purchase (prices vary by country in local currency).
Key features
  • 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
  • MIDI keyboard input with real-time feedback
  • Interactive beginner lessons from basic note identification to reading both clefs
  • Note flashcard training with adaptive difficulty
  • Library of 69 classical pieces at varying difficulty levels
  • MusicXML file import for custom sheet music
  • Wait and Tempo modes for learning pieces at your pace or with a metronome
  • Arcade games including Blitz and Cascade
  • Exam mode with skill-based ranks and timed challenges
  • Progress tracking and performance analytics
  • Offline use after one-time license activation
What makes it different
  • 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
  • Buy once with no subscription; perpetual license with all updates through v1 included
  • MIDI input provides exact note detection unlike acoustic microphone-based systems
  • Works on four platforms: macOS, Windows, Linux and iPad
  • Adaptive algorithm adjusts difficulty based on what you miss vs. nail
Community votes00
DR (Domain Rating by Ahrefs)1 +1 (up) since last check16 no change since last check
Trust Flow (Majestic)220
Citation Flow (Majestic)1822
Referring domains (Majestic)1336

6 details filled in for both companies.

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