Rocket Player is a multiformat video player with support for AVI, MKV, XVID and much more.
All formats supported: 3gp, 3gp, 3gp2, 3gpp, amv, asf, avi, axv, divx, dv, flv, f4v, gvi, gxf, m1v, m2p, m2t, m2ts, m2v, m4v, mks, mkv, moov, mov, mp2v, mp4, mpeg, mpeg1, mpeg2, mpeg4, mpg, mpv, mt2s, mts, mxf, mxg, nsv, nuv, oga, ogg, ogm, ogv, ogx, spx, ps, qt, rec, rm, rmvb, tod, ts, tts, vob, vro, webm, wm, wmv, wtv and xesc.
Download now in the App Store for OS X Yosemite & iOS 8