I have 2 Ipads that I use in class with kids. We are planning to buy more. I want to know how I can share apps between the two Ipads that we use in class. Do I have to purchase them twice (or 10 times if we have 10 Ipads?)
Yes, you must purchase the app multiple times. Purchases are for your personal use.
It's like any other software. You cannot purchase one copy and install it on all computers in the school.
Schools can make multiple purchases for the l and get vol
See this ->
App Store Volume Purchase Program
And this ->
A. ITUNES STORE, MAC APP STORE, APP STORE, AND IBOOKSTORE TERMS OF SALE
"APP STORE PRODUCT USAGE RULES
ℹ You may download and sync a Product for personal, noncommercial use on any Apple-branded products running iOS (“iOS Product”) you own or control.
(ii) If you are a commercial enterprise or educational institution, you may download and sync a Product for use by either (a) a single individual on one or more iOS Product you own or control or (b) multiple individuals, on a single shared iOS Product you own or control. For example, a single employee may use the Product on both the employee's iPhone and iPad, or multiple students may serially use the Product on a single iPad located at a resource center or library."