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mpv.net vs SMPlayer: catalog facts
mpv.net	SMPlayer
Free Free and open source.	Free Free and open source under the GPL 2.0.
Windows	Windows, macOS, Linux
Almost full compatibility with mpv features and configuration Graphical interface with customisable colour themes	Remembers position, audio track and subtitles per file mpv and MPlayer engines, so format coverage is excellent
Windows only Advanced setup still relies on mpv-style configuration	The interface is dated Qt and skins only go so far Two engines means two sets of quirks when something misbehaves
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.