Steller for iOS-App for Storytelling Combining Photos, Videos and Text FREE
Major Upgrade 3/28/15
Steller allows users to upload videos, photos, and add text to create a storybook experience on mobile. Users can create Steller stories based around an event or their own creative projects. Users can re-arrange their stories, add themes, and even make some granular changes to the look and feel before publishing them to Steller and other social networks like Facebook and Twitter.
Jordan Crook of TechCrunch has a review of Steller's upgrade.