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KMPlayer vs GOM Player: catalog facts
KMPlayer	GOM Player
Free Free to download and use.	Freemium Free player, with a paid GOM Player+ premium version and bundles.
Windows, macOS	Windows
Built-in codecs for most formats Plays 4K and 3D video	Plays common formats without installing codec packs Built-in subtitle search
Closed source Little detail available from the official site about current features	Windows only Paid upgrades are heavily promoted
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is 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.