Get your iphone or iPad on wifi
Many apps you may not be able to download unless you are on wifi
Go to Settings >Wifi
Most agents have wifi (wireless internet connection) in their office if not in their home. It’s also available at many public libraries, coffee shops.
Downloading Apps straight to your iPhone or iPad.
If you are buying a number of apps for small amounts, the app store will charge you one at a time on your credit card. Easier to buy an iTunes card (Target, most Drugstores, etc). Then you have a credit on your account and each app cost gets deducted from that.