Hypothesis vs Volley
| Hypothesis | Volley | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, extension, Web | Web |
| Free plan | Yes | Yes |
| Annotation modes | both | both |
| Collaborative review | Yes | Yes |
| Guest access | Yes | Yes |
| Document support | both | webpages |
| Browser capture | Yes | Yes |
| Team seats | 1,000 seats | — |
| Export options | JSON, plain text, CSV, and HTML; import from JSON | Trello, Jira |
Both are listed in Best Web Annotation Tools. On Everything Xiaomi, Hypothesis scores higher on our published basis.