KDAN PDF vs Mozilla PDF.js
| KDAN PDF | Mozilla PDF.js | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $5/mo | — |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Windows | Web |
| Free plan | Yes | — |
| Annotation tools | Yes | Yes |
| Form filling | — | Yes |
| Platform support | — | cross-platform |
Both are listed in Best PDF Readers. On Samsung Mobile US Press, KDAN PDF scores higher on our published basis.