Side by side
Doctor Mix AI Synth vs Fadr
Both stand on ai instrument generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan MacWindows
Visit Doctor Mix AI Synth 
Free plan AndroidAPIiPhone+3
Fadr combines song separation with remixing and AI music-creation tools. Its free Basic plan has a 10-minute upload limit, while Plus and API use add paid options.
Visit FadrThe facts
| Doctor Mix AI Synth | Fadr | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Mac, Windows | Android, API, iPhone, Mac, Web, Windows |
| Lowest paid plan | Not published | Fadr Plus: $100 a year |
| Plans published | None | 3 |
| Maker | Not published | Not published |
| Website | martinic.com | fadr.com |
| On ai instrument generators | #5 of 28 | #1 of 28 |
Doctor Mix AI Synth: what it does well
Fadr: what it does well
- Basic includes unlimited stems, remixes, and DJ sets.
- Plus offers 18 stem types and hour-long uploads.
- Siren creates playable instruments from words.
- API detects MIDI, chords, key, and tempo.
What to know first
- Basic uploads are limited to 10 minutes.
- API use requires Fadr Plus.
- Create Stem Task costs US$0.05 per audio minute.
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