AI Flowchart vs OnUML
| AI Flowchart | OnUML | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $9/mo | $8/mo |
| Open source | No | No |
| Platforms | Web | api, Web |
| Free plan | Yes | Yes |
| Diagram import | Yes | — |
| Platform | web | web |
| Export formats | PNG, SVG, PDF, .drawio | PNG, SVG |
| Mermaid support | — | Yes |
Both are listed in Best AI Diagram Generators. On Freedom251, AI Flowchart scores higher on our published basis.