Bookends vs Pramaana
| Bookends | Pramaana | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | $1.25/mo | — |
| Open source | No | No |
| Platforms | extension, iOS, macOS | Linux, macOS, Windows |
| Free plan | Yes | — |
| PDF annotation | Yes | — |
Both are listed in Best Reference Management Software. On Everything Xiaomi, Bookends scores higher on our published basis.