Scaler 3
Music Theory Workstation
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| Rating | Price | |||
|---|---|---|---|---|
| United States | 40%162 | 4.72 | $19.99 | |
| United Kingdom | 13%52 | 4.69 | £19.99 $26.44 | |
| Germany | 9%36 | 4.75 | €22.99 $25.86 | |
| Japan | 6%26 | 4.58 | ¥3,000 $19.02 | |
| Canada | 5%19 | 4.74 | CA$24.99 $17.60 | |
| France | 5%19 | 4.84 | €22.99 $25.86 | |
| Australia | 3%14 | 4.93 | A$29.99 $20.83 | |
| Spain | 2%7 | 4.57 | €22.99 $25.86 | |
| Netherlands | 2%7 | 5.00 | €22.99 $25.86 | |
| Belgium | 1%6 | 4.17 | €22.99 $25.86 | |
| India | 1%5 | 5.00 | ₹1,999.00 $20.74 |
Description
The world’s most popular music theory workstation, Scaler 3, is now available on iPad — updated to Scaler 3.3 with Multi-Bind, improved Detection, enhanced workflow and desktop interoperability.
With a redesigned workflow, expanded creative potential and powerful new capabilities, Scaler 3 helps you discover chords, explore harmony and build complete musical ideas.
The workflow doesn’t have to end with your finished chord progression - Scaler 3 can host AUv3 plugins and features a full arranger and mixer, letting it fit into your existing setup or become your entire creative environment for music theory.
Browse
Draw from over 1000 chord sets, keys and modes, organised by mood, artist and genre. Build chord progressions by dragging and dropping chords, and receive intelligent suggestions for what could come next.
Create
Explore harmonic possibilities using tools like the Sketch Pad, Explore page, Circle of Fifths and Modulation pathways. Scaler’s creative tools and music theory assistance help you move beyond common progressions and discover new musical ideas.
Arrange
Turn your progression into a full musical sketch with tracks for chords, bass, melodies and custom MIDI patterns. Use Multi-Bind to perform and loop multiple lanes at once, creating fast composition ideas and live performance workflows. Scaler 3 can generate MIDI for all sorts of instruments and adapt it to the needs of your song. Host AUv3 plugins to play your parts, transforming Scaler 3 into a powerful composition and MIDI production environment.
Key Features
Discover your music’s key with MIDI and audio detection and explore compatible scales, modes and chord sets
Access over 1,000 chord sets, keys and modes organised by mood, genre and artist inspiration
Build intelligent chord progressions with automatic voice-leading
Use Scenes and the Arrange Page timeline to structure full musical ideas
Transform chords into melodies, basslines, arpeggios and phrases using Scaler’s Motions library
Explore harmony using the Circle of Fifths, chord substitutions, inversions and voicing tools
Experiment with modulation suggestions to move between keys
Record ideas directly with User Track and edit them in the piano roll
Perform one-finger chords and melodies using Bind MIDI
Route generated chords and performances to other music apps using AUv3 and MIDI output
Play progressions using internal instruments including pianos, synths and orchestral sounds
Works standalone or alongside apps like Logic Pro for iPad, GarageBand, AUM and Cubasis
Move between Scaler 3 on iPad and desktop by sharing presets, chord progressions and files
Content
Thousands of chords, scales and harmonic possibilities
Artist chord sets created by musicians including Carl Cox, MJ Cole and The Temper Trap
Generate MIDI with hundreds of melodic phrases, basslines and performances
Internal instrument library including pianos, synths and orchestral sounds
Perfect For
Songwriting
Music production
Composition
Learning harmony and music theory
Exploring new musical ideas
What People Are Saying
“Scaler 3 is an incredibly powerful music theory tool. It's a gamechanger for both beginners and seasoned producers.”
-David Wills (Michael Jackson, Whitney Houston, Phil Collins)
“Scaler 3 opens up a whole new world of possibilities… a fantastic gateway into harmony and composition.”
-Daryl Bennett (Grammy-nominated composer)
“Scaler 3 has evolved into a fully-fledged compositional toolkit. A triumph.”
-Sound On Sound
“Scaler 3 delivers the most comprehensive, powerful set of composition tools you can get.”
-Attack Magazine
“Scaler 3 takes everything that made Scaler 2 brilliant and makes it even better.”
-The Sound Test Room
Awards
KVR Readers Choice Awards - Winner 2025
Plugin Boutique Awards - Best Music Theory Software 2025
Sanjay C #1 Tool - Top Plugin of 2025
#1 Music Theory App - Future Music Magazine 2024
Last collected from the App Store on