FormIt is a free, cloud-based 3D conceptual design tool for architects and designers. It runs natively on modern web browser, iPad or Android devices.
The following applies both generally to FormIt and specifically to FormIt Pro:
Platform System Requirements
User can optionally run FormIt Pro on either or all of the following:
iOS (iPad only)
Chrome or Firefox browsers (Mac OS X, Windows, Linux)
Minimum System Requirements
iOS version 8.0 or higher (iPad only)