You can only use Shapr3D as a full mobile CAD app on the iPad Pro, iPad Air 2 and newer, iPad Mini (2015 and later), and iPad (2017 and later). You can use it in view-only mode on other iPads.
Can I use Shapr3D on my iPhone?
You can only use Shapr3D as a full mobile CAD app on the iPad Pro, iPad Air 2 and newer, iPad Mini (2015 and later), and iPad (2017 and later). You can use it in view-only mode on other iPads.