Scaler 3

Scaler 3

Logo of Scaler 3

Scaler 3: The Ultimate Music Theory Workstation for iPad

From discovering sophisticated chords to arranging full tracks, harness the power of professional harmony and MIDI composition anywhere you create.

Publisher

Scaler Music

Category

Music

Downloads

1K+

User Rating

4.5/5

Total Ratings

0

Locales

-

The Composer’s Canvas

Discover the interface used by 1K+ users.

Scaler 3 app interface on iPad showing chord sets and piano keyboard for music composition

Scaler 3 app interface on iPad showing chord sets and piano keyboard for music composition

Scaler 3 music theory workstation for iPad showing award badges and the app interface

Scaler 3 music theory workstation for iPad showing award badges and the app interface

Scaler 3 app interface on iPad showing chord progressions and music theory tools

Scaler 3 app interface on iPad showing chord progressions and music theory tools

Scaler 3 music theory workstation browse interface on iPad showing chord sets and scales

Scaler 3 music theory workstation browse interface on iPad showing chord sets and scales

Scaler 3 iPad app interface showing music theory tools including the Circle of Fifths and chord modulation pathways

Scaler 3 iPad app interface showing music theory tools including the Circle of Fifths and chord modulation pathways

Scaler 3 app interface on iPad showing the arrange view with MIDI patterns and a piano roll editor

Scaler 3 app interface on iPad showing the arrange view with MIDI patterns and a piano roll editor

Compose with Confidence

The tools that make this app stand out, trusted by 1K+ users.

🎹

Smart Harmonic Discovery

Access over 1,000 artist-curated chord sets and receive intelligent suggestions to build sophisticated progressions without needing a degree in music theory.

🚀

Complete Mobile Studio

Host your favorite AUv3 synth plugins and use the built-in arranger and mixer to turn simple ideas into professional-grade musical sketches on the go.

🪄

Dynamic Performance Tools

Instantly generate professional basslines and melodies using the Motions library, then export your MIDI directly to Logic Pro or your desktop DAW.

About the app

Everything you need to know about Scaler 3.

Description

The award-winning Scaler 3 music theory workstation is now available on iPad. With a completely redesigned workflow, hugely 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 seamlessly into your existing setup or become your entire creative environment for music theory. Browse Draw from over 1000 chord sets, keys and modes, categorized by mood, artist and genre. Build chord progressions by dragging and dropping chords, and receive intelligent suggestions for what could come next. Create Explore a world of 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. Scaler 3 can generate MIDI for all sorts of instruments and adapt it to your tastes and 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 for smooth musical results • Use Scenes and the Arrange Page timeline to structure full musical ideas and evolving arrangements • Transform chords into melodies, basslines, arpeggios and phrases using Scaler’s extensive Motions library created by professional musicians • Explore harmony and music theory using the Circle of Fifths, chord substitutions, inversions and voicing tools • Experiment with modulation suggestions to move between keys using advanced harmonic techniques • Record ideas directly with User Track and edit them in the piano roll • Perform one-finger chords and melodies using Bind MIDI with any MIDI keyboard • 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 • Generate chord progressions and arrangements on iPad, then export to finish your track in Scaler 3 desktop and your DAW 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 created by professional musicians • 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 • #1 Music Theory App - Future Music Magazine 2024

Latest Version

3.2.2

Size

1.0 GB

First Released

Mar 19, 2026

Ready to Compose Your Next Masterpiece?

Join the world’s leading producers and unlock the power of Scaler 3 on your iPad. Your ultimate harmonic collaborator is just a tap away.

App information, icons, screenshots, and descriptions displayed on this page are sourced from the Apple App Store and are the property of their respective developers. Download estimates and rankings are based on MWM's proprietary models and may not reflect actual figures. This page is provided for informational and analytical purposes only.

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