This app breaks images into puzzle for your Instagram feed.

UCROP. Make dramatic and catchy 2-12 square Instagram banners.

Menu:
Cropping - select your image and cut it into 1, 3, 6, 9 or 12 square pieces.
Feed - post/move/delete multiple pieces at once or save them to your camera roll. Tap on a piece to edit the caption. Tap on "Choose" to pick a comment template.
Comments - design your comment templates. Add new templates, edit/delete the old ones.

Keep track. UCROP shades the pictures you already posted.