Plugin comparison
Specs, price and the Dubspot Score, side by side — with our verdict on which midi tool to buy.
Independent score / workflow fit / buying signal
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Contenders
InstaComposer 4 is W.A. Production's MIDI generation plugin, with a rebuilt MIDI Engine 2.0, Groove and Foliage controls, SoundFont loading and a built-in mixer. Intro $29.90, list $129.
Scaler 3 is a chord and music-theory MIDI assistant from Scaler Music. Score 8.6/10, price $99, formats and comparisons.
Technical matrix
| Signal | W.A. Production InstaComposer 4 | Scaler 3 |
|---|---|---|
| Price | $29.90 (intro) | $99 |
| Dubspot Score | — | 8.6 |
| Formats | VST3, AU, AAX, macOS, Windows | VST3, AU, AAX |
| Type | MIDI generation plugin and songwriting tool | — |
| Tracks | Up to 6, each routable to its own MIDI channel | — |
| Scenes | Up to 8 per song section | — |
| Generation modes | Melody, chords, Arpeggiator, Rhythm V2, full song | — |
| Sound | Built-in acoustic piano, General MIDI instruments, SoundFont (SF2) loading, mixer with reverb and delay | — |
| MIDI | Import, export, drag and drop, multi-track and multi-channel routing | — |
| Scales | Major, Minor, Harmonic, Pentatonic, Spanish, Arabic and more | — |
| Formats | VST3, AU, AAX on macOS; VST, AAX on Windows | VST3, AU, AAX |
| System | macOS 10.13 or later, Windows 8 or later | — |
| Product type | — | chord and music-theory MIDI assistant |
| Developer | — | Scaler Music |
| Typical price | — | $99 |
| Primary job | — | progressions and scale-aware writing |
| Catalog status | — | Current as of 2026 |
See the full plugin database for more comparisons.