KMPlayer vs Quod Libet

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.

Quod Libet is a free audio player for Linux, macOS and Windows, built with GTK+ and written in Python. It handles libraries with tens of thousands of songs and supports formats including MP3, Ogg Vorbis, Speex, Opus, FLAC, Musepack, MOD, XM, IT, WavPack, MPEG-4 AAC, WMA, MIDI and Monkey’s Audio. Users can browse by tags or directories and search with regular expressions, structured boolean logic or Python expressions. Its tag editor supports Unicode, batch changes and renaming files based on tags. Playback features include Replay Gain, shuffle, a configurable queue, podcasts, Internet radio and playlist import and export in XSPF, M3U and PLS formats. Plugins include integrations for MusicBrainz, CDDB, Last.fm, Sonos and Logitech Squeezebox; the feature page lists more than 80 contributed plugins. Podcast feeds are checked every two hours, and episodes can be downloaded. Radio streams support MP3 and Ogg Vorbis; other formats may need additional GStreamer plugins, and stations cannot be added to playlists or the play queue. Playback requires GStreamer or xine-lib. Quod Libet is free software under GNU GPL version 2 or later, though alternate terms may apply to some files or modules. The listed macOS 4.6.1 disk image is marked unofficial.