PDFOptim vs PDFViz
| PDFOptim | PDFViz | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $0.58/mo | Free |
| Open source | No | No |
| Platforms | iOS, macOS, Windows | Web |
| Free plan | Yes | Yes |
| Batch merging | Yes | No |
| Primary platform | desktop | web |
| Cloud storage support | No | No |
| Page selection | — | No |
Both are listed in Best PDF Merger Software. On Specifiction, PDFOptim scores higher on our published basis.