F-Stop Media Gallery - Image and video organizer.
Gemini Photos - Clean up your Camera Roll
A Photo Manager - Manage local photos on Android: gallery, geotag with photomap, tags, find, sort, view, copy...
PhoneClean - PhoneClean is the best and even free iPhone cleaner software for all your iPhone cleaning, maintaining and privacy protecting needs. It brings you the new iPhone, iPad experience that you will appreciate every day.
LeafPic - LeafPic is a fluid, material-designed alternative gallery.
iMyfone Umate - iMyfone Umate is an iPhone space saver which helps iPhone/iPad/iPod touch users free up iPhone...