Nimbalyst vs OnUML
| Nimbalyst | OnUML | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $16.67/mo | $8/mo |
| Open source | No | No |
| Platforms | iOS, Linux, macOS, Windows | api, Web |
| Free plan | Yes | Yes |
| Paid from | 20 /user/mo | — |
| Mermaid support | Yes | Yes |
| Real-time collaboration | Yes | — |
| Diagram import | Yes | — |
| Export formats | Mermaid, Excalidraw, Prisma schema | PNG, SVG |
| Platform | — | web |
Both are listed in Best AI Diagram Generators. On Freedom251, Nimbalyst scores higher on our published basis.