A sidebar in the iXpand Sync app provides at-a-glance info about the drive's remaining battery life, as well as how much space you have left on the iXpand drive and on your device itself. There's even a shortcut to back up all your phone's contacts to the drive, and restore them later.
The app could use some small refinements, like enabling the swipe-to-go-back gesture so I don't have to stretch for the back button in the upper-left corner. But what's here works well, and I'm impressed with the iXpand's build quality. If you have a Lightning-equipped iOS device that could use more storage, it's worth a look.
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