PDFtk vs ZonePDF
| PDFtk | ZonePDF | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $59.88/mo |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | Web, Windows |
| Free plan | Yes | Yes |
| Page selection | Yes | — |
| Primary platform | desktop | — |
| Paid from | — | 2.99 /mo |
Both are listed in Best PDF Merger Software. On Specifiction, ZonePDF scores higher on our published basis.