Priflow vs Proof Approve
| Priflow | Proof Approve | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $12/mo |
| Open source | No | No |
| Platforms | self-hosted, Web | Web |
| Free plan | Yes | Yes |
| Supported file types | Image files and multi-page PDFs | — |
| Annotation tools | Yes | — |
| Approval workflow | Yes | — |
| Version history | Yes | Yes |
| Guest reviewers | No | Yes |
Both are listed in Best Design Proofing Software. On Samsung Mobile US Press, Proof Approve scores higher on our published basis.