refbase vs Zotero
| refbase | Zotero | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $1.67/mo |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | Android, api, extension, iOS, Linux, macOS, self-hosted, Web, Windows |
| Citation plugins | Yes | — |
| Supported platforms | web | — |
| Team collaboration | advanced | — |
| Free plan | — | Yes |
| PDF annotation | — | Yes |
Both are listed in Best Reference Management Software. On Samsung Mobile US Press, Zotero scores higher on our published basis.