Thank you for trying UModeler! This trial version package includes DLLs compiled for Unity 5.1 for compatibility across a broad range of Unity versions. It also works with Unity 5.6+ and Unity 2017.The Trial version includes all features of UModeler 2.0. The only limitation is that the maximum number of UModeler object you can create and edit in a scene is 3.
If you have any questions, feel free to ask us via or Forum.
UModeler 2.0 has been evolving. Check it out at the Release Note