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KMPlayer vs PYM Player: catalog facts
KMPlayer	PYM Player
Free Free to download and use.	Free Free, with optional donations via PayPal or bitcoin.
Windows, macOS	macOS
Built-in codecs for most formats Plays 4K and 3D video	Plays MKV, AVI, WMV, WebM and other formats via FFmpeg Automatic subtitle download from NapiProjekt
Closed source Little detail available from the official site about current features	Website and subtitle source are aimed at Polish users macOS only, and a large download of about 260 MB
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 October 2, 2026

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