You can download either or both of the SYNCHRO Notes or SYNCHRO Crew applications on an iPad.
From the iPad:
Open the App Store, and utilize the search feature at the top right.
Once you have entered your search, tap on "iPad Only" at the top left of the screen
Select "iPhone Only" from the dropdown menu.
You should now see the SYNCHRO Notes or SYNCHRO Crew app you were looking for and can download it to your iPad.
Refer to Minimum requirements for SYNCHRO Notes for minimum device requirements.