8.4Great
Cthulhu is a MIDI chord memorizer and arpeggiator from Xfer Records. Score 8.4/10, price $39, formats and comparisons.
Plugin comparison
Cthulhu vs Mixed In Key
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
8.1Great
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.
Score verdict
Which should you buy?
On the Dubspot Score, Cthulhu comes out ahead (8.4). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | Cthulhu | Mixed In Key |
|---|---|---|
| Price | $39 | $58 |
| Dubspot Score | 8.4 | 8.1 |
| Formats | VST3, AU, AAX | VST3, AU, AAX |
| Product type | MIDI chord memorizer and arpeggiator | — |
| Developer | Xfer Records | Mixed In Key |
| Typical price | $39 | — |
| Formats | VST3, AU, AAX | — |
| Primary job | fast harmonic sketching for electronic music | — |
| Catalog status | Current as of 2026 | — |
| Type | — | Key detection / harmonic mixing software |
See the full plugin database for more comparisons.