The best photo organization apps for iPhone and iPad I'm not sure what's my favorite thing about this app it's a tie between the minimal nature of the UI and the ability to both add styles with just a tap as well as to adjust and fine-tune the details of the style down to the last pixel. There are plenty of free styles available in the Style Library, which is constantly being expanded by the developers. Users can find and purchase CameraBag 2 from the Photo & Video section of the App Store, where it can be purchased for a minimal $1.99. Get for $1.99 User Interface & Ease Of Use