Moldiv lets you combine and edit multiple photos to make amazing collages. Moldiv has fantastic frames and lots of professional editing options. Especially Moldiv offers awesome photo effects and great decoration features like text captions and numerous stamps.
This is a useful picture editor with a few more features than Instagram. Great for creating collages on displaying class projects. Works well on iPad too with good quality display. The free basic editor is good, but you have to buy premium packs for some of the more complex designs.