If you plan to supply your own iPad, there are minimum requirements to ensure that the iPad will have enough storage and be able to install the most recent iOS version(s) :
- 64GB of storage or higher
- able to operate iOS 11 and higher
iPads that support iOS 11 and higher (as of August 2019):
- 12.9-inch iPad Pro (3rd generation)
- 12.9-inch iPad Pro (2nd generation)
- 12.9-inch iPad Pro (1st generation)
- iPad Pro (11-inch)
- iPad Pro (10.5-inch)
- iPad Pro (9.7-inch)
- iPad Air (3rd generation)
- iPad Air 2
- iPad Air
- iPad (6th generation)
- iPad (5th generation)
- iPad mini (5th generation)
- iPad mini 4
- iPad mini 3
- iPad mini 2