How to Sync Multiple iOS Devices
Posted 10/10/2011 at 6:36am
| by The Mac|Life Staff
My family has loads of iOS devices, and I can’t figure out the best way to sync everything without causing a mess.
Managing apps on your iOS device can be confusing. How many Macs can I have an app on? How many iPhones can I have my apps on? Here’s the skinny. You can authorize five computers with your iTunes account. That’s five of any computer -- Mac or Windows -- that’s compatible with iTunes. If your family has four computers, you can all use the same account on those computers. You can have that account on as many iOS devices as you can put on your credit card. Potentially, you can have five computers and 50 iPads using the same iTunes account.

The apps you buy can live on five authorized computers and an unlimited number of iOS devices.
Here’s where it gets weird. When syncing an iOS device, you should always sync it with the same computer. Always. When you start using more than one computer to sync, that’s when things get wacko. Everyone in the house should either use the same computer to sync with, or they should sync on their own personal computers with the same iTunes account as their iOS device. Once you settle that, don’t change it unless you have to.