Altova UModel vs Astah Professional
| Altova UModel | Astah Professional | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | — | — |
| Open source | No | No |
| 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 |
Both are listed in Best UML Modeling Software. On Everything Xiaomi, Astah Professional scores higher on our published basis.