Altova UModel vs Astah Professional
| Altova UModel | Astah Professional | |
|---|---|---|
| Free plan | No | |
| Free trial | Yes | Yes |
| Platforms | Windows | api, Linux, macOS, Windows |
| Free plan | No | Yes |
| UML diagram types | Class, activity, component, communication, composite structure, deployment, interaction overview, object, package, profile, sequence, state machine, timing, use case | Class, Use Case, State Machine, Activity, Sequence, Timing, Communication, Component, Deployment, Composite Structure |
| Code generation | Yes | Yes |
| Reverse engineering | Yes | Yes |
| Team collaboration | Yes | Yes |
| Deployment | desktop | desktop |
| Supported platforms | Windows 10, Windows 11, and Windows Server 2016 or newer | Windows, macOS, Linux |
| Model repository | Yes | No |
| Paid from | 11.99 /user/mo | |
| Diagram types | Class, object, communication, timing, component, deployment, composite structure, use case, sequence, activity, statemachine, package, requirement, mind map, ER, flowchart, CRUD, data flow, traceability map, Eriksson-Penker process | |
| Real-time collaboration | No | |
| Export formats | JPEG, PNG, EMF, SVG, RTF, HTML, CSV, XML, CMOF | |
| Import formats | Excel, XML | |
| Desktop app | Yes | |
| Version history | No |
Listed together in Best UML Modeling Software