OmniGraffle vs Pencil Project
| OmniGraffle | Pencil Project | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | macOS, iOS | Windows, macOS, Linux |
| Free plan | No | Yes |
| Diagram types | family trees, flow charts, org charts, layouts, directed graphs, nondirected graphs | GUI mockups, wireframes, flowcharts, desktop UI, web UI, Android UI, iOS UI |
Both are listed in Best Diagramming Software, Best Diagram Software. On Samsung Mobile US Press, OmniGraffle scores higher on our published basis.