OnShape

OnShape is an online CAD Program

Much like Fusion and Shapr3d you need to make an educational account HERE it is pretty easy to do and allows you full access to all the services. Onshape will work on a computer or iPad. It is all online which has advantages and disadvantages

Advantages

You can access your CAD from anywhere

Easy to share CAD with team-mates

Disadvantages

Lack of CAM for the lab

complex models can lag