4. GIF Viewer
iOS rarely supports certain file formats and this is no different when it comes to GIFs. This popular format is well loved by thousands of iOS users. GIF Viewer will let you import GIF files to the app from your camera roll and you can effortlessly animate your GIFs. Besides just viewing GIFs, the app also offers to look at a GIF frame by frame, altering the frame rate and converting the GIF to a video when you need to share it through a service that doesn’t support animated GIFs.