RapidComposer
Captain Chords
Odesi
Instachord
AudioCipher
AutoTheory
Sundog Song Studio
VST MIDI-FX plugin for harmonic inspiration

Healthcare AI
Healy
Put together your health app with our HIPAA compliant AI builder and prefab healthcare components. Our components help build, launch and iterate your health app 10x faster than traditional app development

Which is more popular?
Based on our record, Cthulhu seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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C
Cthulhu
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|---|---|---|
| Website | xferrecords.com | specode.ai |
| Pricing | — | |
| Company | — | 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Cthulhu yet.
After years of developing health apps for Fortune 500 hospitals and YC startups, we noticed a pattern: founders and organizations requested similar core features, essential for telehealth delivery but time-consuming to build from scratch. We decided it was time to stop reinventing the wheel....
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Call of Cthulhu Review
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Share your experience with using Cthulhu and Specode. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Some of the other similar products I've looked at are Instachord and Cthulhu. Source: about 3 years ago
Ok. I don't think you can do this in Live natively, Your best bet is probably a vst plugin like https://www.kirnuarp.com/ or https://xferrecords.com/products/cthulhu. Source: almost 4 years ago
There are lots of arpeggiators built into synths, but one I really like - and one that should be able to do this for you - is Xfer Cthulhu. I looked briefly at FL's own offerings but I don't think they're realtime - i.e. you're supposed... Source: about 4 years ago
Tracking Specode since Feb 2026.
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MIDI Processing Plugin that helps you play chords and chord progressions faster and easier.
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