8.1Great
Mixed In Key by Mixed In Key. Harmonic mixing and key detection software for DJs and producers—find compatible keys fast for sets and songwriting.
Plugin comparison
Mixed In Key vs Scaler 3
Specs, price and the Dubspot Score, side by side — with our verdict on which midi tool to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
8.6Great
Scaler 3 (Scaler Music) — chord and music-theory MIDI assistant. Score 8.6/10, price $99, formats and comparisons.
Score verdict
Which should you buy?
On the Dubspot Score, Scaler 3 comes out ahead (8.6). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | Mixed In Key | Scaler 3 |
|---|---|---|
| Price | $58 | $99 |
| Dubspot Score | 8.1 | 8.6 |
| Formats | VST3, AU, AAX | VST3, AU, AAX |
| Type | Key detection / harmonic mixing software | — |
| Developer | Mixed In Key | Scaler Music |
| Product type | — | chord and music-theory MIDI assistant |
| Typical price | — | $99 |
| Formats | — | VST3, AU, AAX |
| Primary job | — | progressions and scale-aware writing |
| Catalog status | — | Current as of 2026 |
See the full plugin database for more comparisons.