How to Turn Off Automatic Downloads If You Are Using Multiple iDevices (iPhone/iPad iOS 8)
If you use multiple iDevices (iPad, iPhone, iPod Touch) with your Apple ID, you may have trouble keeping the downloads for your devices separate. To ensure that you don’t automatically download items (apps, music and books) that you download on your personal device to your work iPad or iPhone, you can change a few settings on those iDevices. This process shown on iPhone 6 with iOS 8.