ImageViewer - Photo View and Video Player
Free for a limited time. Original $14.99. 

https://itunes.apple.com/nl/app/id771344738?mt=12

ImageViewer is the most powerful photo viewer and video player to view images & photos, and play video & audio files. Directly view video, audio, and image in the archives without extracting or in the entire folder and subfolders. ImageViewer is the intelligent file viewer you are looking for.

Een goed app