Learn to read music by playing it on a MIDI keyboard
Play music together in real time with low latency hardware and software
Stage
MVP
Established
Founded
Not given
Not given
Based in
GB
US
Pricing model
Freemium
Paid
Pricing
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).
Lutefish Stream device $249 (includes 2 months of subscription); subscription $9.99/month (monthly) or $95.90/year (save 20%); Band Packs available with up to 15% savings on devices when buying multiple units; 60-day money-back guarantee
Key features
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
Ultra-low latency under 35ms for real-time playing
Studio-quality 48kHz audio with class-A preamps
Support for up to 5 musicians per session
Browser-based control with no software installation required
Session recording directly from the web interface
Optional video chat during sessions
XLR and 1/4-inch combo inputs for instruments and mics
Supports up to 2 input channels with mixer compatibility
Wired Ethernet connection for reliability and low latency
What makes it different
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
Dedicated hardware device eliminates computer latency compared to software-only solutions
Purpose-built for music performance with audio processing optimized for real-time collaboration
Plug-and-play setup without complex configuration or third-party software installation
Backed by Wenger Corporation's 80 years of music industry expertise
60-day money-back guarantee with free returns and return shipping
MidiSlayer
Lutefish