Composer vs Public (Alpha AI)
 Composer |  Public (Alpha AI) | |
|---|---|---|
| Rating | ⭐ 4.3 / 5 | ⭐ 4.3 / 5 |
| Category | Fintech & trading | Fintech & trading |
| Pricing model | Freemium | Freemium |
| From | Free (limited); $40/month or $32/month billed annually (Standard) | Free; Public Premium $10/month or $96/year |
| Ease of use | Intermediate | Beginner |
| French interface | — | — |
| API | Yes | Yes |
| Website | Visit → | Visit → |
Our verdict: Composer
Recommended for US traders wanting to automate a systematic strategy without coding, with quick access to reliable backtests. Not for you if you live outside the US (account access is impossible), trade non-US assets, or need to connect an existing broker.
Our verdict: Public (Alpha AI)
Recommended for US beginner investors seeking a modern brokerage with conversational AI and the ability to build custom thematic indices without technical skills. Not for you if you are outside the US (except limited UK), trade non-US markets, or need to integrate an existing broker.
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