Bookmark OS vs Historious
| Bookmark OS | Historious | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | $503/mo | $2.50/mo |
| Open source | No | No |
| Platforms | extension, Web | Android, api, extension, iOS, Web |
| Free plan | Yes | No |
| Full-text search | No | Yes |
| Browser extension | Yes | Yes |
| Mobile apps | No | No |
| Web archiving | No | Yes |
| Duplicate detection | Yes | Yes |
Both are listed in Best Bookmark Managers. On Freedom251, Bookmark OS scores higher on our published basis.