The typically lasts 30 days and grants full access to all Pro features. For most users, this is not enough time to complete a real project, but it is sufficient to stress-test the tool.
Even the Pro desktop version relies heavily on Autodesk’s cloud infrastructure for rendering and analysis. During the trial, your compute time is prioritized lower than paying customers. If you run a complex solar analysis during peak hours (9 AM-5 PM US time), you may experience significant lag.
The FormIt Pro trial is not a tool for hobbyists. It is a highly specific sales tool aimed at converting SketchUp/Rhino users into the Autodesk ecosystem. If your final deliverable is a Revit file, FormIt Pro is arguably the best conceptual tool on the market. The trial lets you verify that claim.
Work simultaneously with team members in the same 3D model. FormIt Pro vs. FormIt (Free)