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GOM Player vs SMPlayer: catalog facts
GOM Player	SMPlayer
Freemium Free player, with a paid GOM Player+ premium version and bundles.	Free Free and open source under the GPL 2.0.
Windows	Windows, macOS, Linux
Plays common formats without installing codec packs Built-in subtitle search	Remembers position, audio track and subtitles per file mpv and MPlayer engines, so format coverage is excellent
Windows only Paid upgrades are heavily promoted	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
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is 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.