reCAPTCHA stops some bots, but it does it by interrupting your users with checkboxes and image grids — and by linking their activity to a Google advertising profile. useHUMA verifies humans invisibly with behavioral biometrics, stores zero PII, and never hands your traffic to an ad network.
| Feature | useHUMA | Google reCAPTCHA |
|---|---|---|
| User-visible challenge | Invisible — no checkbox, no puzzle, no friction unless a borderline case triggers step-up. | Often visible — checkbox or image puzzles interrupt the user. |
| Detection method | Behavioral biometrics — mouse, keyboard, scroll and touch patterns scored in real time. | Image puzzles plus behavioral heuristics and risk scoring. |
| Privacy / PII | Zero PII — only statistical signal aggregates are stored. No ad-tech, no profiling. | Links activity to a Google ad profile across sites. |
| Mobile support | Native — touch pressure, tap intervals and swipe speed captured on iOS/Android. | Partial — primarily desktop-oriented signals. |
| Integration | One API call. `npm install usehuma` with React hooks and a drop-in gate component. | Script tag plus unofficial community wrappers. |
| Webhooks & session monitoring | Built-in — real-time bot.detected / human.verified events and post-login anomaly detection. | Not available — verify-on-load only. |
| Vendor lock-in | None — open SDK, self-hostable verification API, runs on any stack. | High — tied to the vendor's platform. |
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