Paperpile vs Wren
| Paperpile | Wren | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $4.15/mo | Free |
| Open source | No | No |
| Platforms | Android, extension, iOS, macOS, Web, Windows | api, extension, macOS |
| Free plan | No | Yes |
| Paid from | 4.15 /user/mo | — |
| PDF annotation | Yes | Yes |
| Browser capture | — | Yes |
Both are listed in Best Reference Management Software, Best Citation Management Software. On Freedom251, Wren scores higher on our published basis.