Heurio vs Hypothesis
| Heurio | Hypothesis | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $19/mo | Free |
| Open source | No | No |
| Platforms | extension, Web | api, extension, Web |
| Free plan | No | Yes |
| Paid from | 19 /user/mo | — |
| Annotation modes | comments | both |
| Collaborative review | Yes | Yes |
| Guest access | Yes | Yes |
| Document support | webpages | both |
| Browser capture | Yes | Yes |
| Team seats | 10 seats | 1,000 seats |
| Export options | PDF, CSV | JSON, plain text, CSV, and HTML; import from JSON |
Both are listed in Best Web Annotation Tools. On Samsung Mobile US Press, Hypothesis scores higher on our published basis.