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GOM Player vs KMPlayer: catalog facts
GOM Player	KMPlayer
Freemium Free player, with a paid GOM Player+ premium version and bundles.	Free Free to download and use.
Windows	Windows, macOS
Plays common formats without installing codec packs Built-in subtitle search	Built-in codecs for most formats Plays 4K and 3D video
Windows only Paid upgrades are heavily promoted	Closed source Little detail available from the official site about current features
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 23, 2026

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