iPhone. It's much harder to screw up on there than on Android (where she can be tricked into enabling unknown sources and installing a malicious APK), and over

iPhone. It's much harder to screw up on there than on Android (where she can be tricked into enabling unknown sources and installing a malicious APK), and overall the experience feels simpler - an iOS device will always feel like an iOS device, where as Android changes between manufacturers (which could be a problem if you need to replace the phone and buy a different brand).