Riffer 4 is Audiomodern's generative MIDI sequencer, rebuilt around five generation engines for hooks, basslines and arpeggios. Intro €49 / $55, regular €69 / $79.
Plugin comparison
Audiomodern Riffer 4 vs Cthulhu
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
8.4Great
Cthulhu (Xfer Records) — MIDI chord memorizer and arpeggiator. Score 8.4/10, price $39, formats and comparisons.
Technical matrix
Specs compared
| Signal | Audiomodern Riffer 4 | Cthulhu |
|---|---|---|
| Price | €49 / $55 intro | $39 |
| Dubspot Score | — | 8.4 |
| Formats | VST3, AU, AAX, AUv3, Standalone | VST3, AU, AAX |
| Type | Generative MIDI sequencer / riff generator | — |
| Version | 4.0.0 | — |
| Generation engines | Five, for sequences, hooks, guitar-style patterns, arpeggios and basslines | — |
| Scales and keys | Any key and scale | — |
| Output | MIDI export to any DAW | — |
| Desktop formats | VST3, AU, AAX, standalone | — |
| iPad formats | AUv3, standalone | — |
| macOS | 10.14 or later, native Apple Silicon | — |
| Windows | 10 or later | — |
| Licensing | Serial number, trial available | — |
| Price | €49 / $55 intro, €69 / $79 regular, €29 upgrade | — |
| Product type | — | MIDI chord memorizer and arpeggiator |
| Developer | — | Xfer Records |
| Typical price | — | $39 |
| Formats | — | VST3, AU, AAX |
| Primary job | — | fast harmonic sketching for electronic music |
| Catalog status | — | Current as of 2026 |
See the full plugin database for more comparisons.