You can only use Shapr3D as a full mobile CAD app on the iPad Pro, iPad Air (2019 and later), iPad Mini (2019 and later), and iPad (2018 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 (2019 and later), iPad Mini (2019 and later), and iPad (2018 and later). You can use it in view-only mode on other iPads.