Here is a smartphone holder that lets you use your device hands-free in the bathroom. The iSwift Roboarm has a multi-joint design and works like a robot arm, so you can easily adjust it to the angle of your choosing. This mount works on glass, tile, mirror, metal, and plastic surfaces.
The iSwift Roboarm smartphone holder lets you simply snap on your iPhone. A metal sticker is available for other devices. It can handle devices 10.5″ and smaller. When done, you can fold and get this mount out of your way.