The Momax Backup app is the best way to manage all your files on iOS devices.
Exchanges files with different devices & platforms with ease. Backup Camera Roll / Contacts / Calendar contents to Momax iOS storage and keep control of your data.

Support more than 45 different types of file formats :
Document: Pages, Numbers, Keynote, doc, docx, xls, xlsx, ppt, pptx, rtf, txt, html, pdf
Image: jpg, png, bmp, gif, tif, tiff, ico, xbm, cur, RAW
Audio: mp3, aac, aif, aiff, wav, m4a, caf, FLAC
Video: mp4, mov, m4v (without DRM), mkv, avi, flv, rm, rmvb, wmv, vob, 3gp
Compressed: zip

It’s the most versatile iOS file management solution for your data.