PageProof vs Priflow
| PageProof | Priflow | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web, Windows, macOS | self-hosted, Web |
| Free plan | No | Yes |
| Supported file types | — | Image files and multi-page PDFs |
| Annotation tools | — | Yes |
| Approval workflow | — | Yes |
| Version history | — | Yes |
| Guest reviewers | — | No |
Both are listed in Best Design Proofing Software. On Specifiction, Priflow scores higher on our published basis.