KMPlayer vs MPlayer

KMPlayer is a media player for Windows, macOS, iOS, and Android, with network playback, subtitles, hardware acceleration, and 4K playback. Listed formats include AVI, MP4, MKV, MOV, WMV, FLV, MPEG, MP3, AAC, FLAC, WAV, SRT, ASS, SSA, and WebVTT. The mobile app can transfer files between a phone and PC on the same Wi-Fi network and includes cloud playback. Users can change subtitle size, color, and position, and adjust playback speed from 0.25x to 4x. Video can play in the background, and YouTube playback is available by entering a URL. Premium features for Android include magnet playback, GIF creation, media cropping, and MP3 conversion. KMPlayer 64X supports 4K, 8K, UHD, and 60FPS video, and the PC versions are available in 32-bit and 64-bit editions as well as Mac. The player is presented as free for PC and mobile; the pricing note lists a free plan and a 3-day trial. No price is listed for Premium.

MPlayer is a movie player for Linux, macOS and Windows, with additional listed support for BSD, Solaris, HP-UX, AIX and QNX. It plays formats including MPEG, AVI, Ogg/OGM, ASF/WMV, MOV/MP4, RealMedia, Matroska and DVD, and accepts streams over protocols such as HTTP/FTP, RTP/RTSP, MMS/MMST, MPST and SDP. Subtitle support covers 12 formats, as well as DVD subtitles and closed captions. The player includes playback-speed control, an on-screen status display and multiple video output drivers; hardware acceleration is listed. Its MEncoder component can create MPEG program stream files. MPlayer is free under GNU General Public License version 2. The download page lists version 1.5, created on 2022-02-27, as the latest release and recommends current Subversion source for newer features and fixes. The graphical interface is not under further development and receives limited bug fixing. A complete installation requires source code and binary codecs; the GUI also needs a skin.