Archway vs OnUML
| Archway | OnUML | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $12/mo | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | Web |
| Free plan | Yes | Yes |
| AI diagram limit | 50 /mo | — |
| Mermaid support | Yes | Yes |
| Real-time collaboration | Yes | — |
| Platform | web | web |
| Export formats | Mermaid, PlantUML, D2, Draw.io XML, SVG, PNG, PDF, Terraform HCL | PNG, SVG |
Both are listed in Best AI Diagram Generators. On The Geeks Club, Archway scores higher on our published basis.