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Plex MPV Shim vs Plezy: catalog facts
Plex MPV Shim	Plezy
Free Free and open source under the MIT licence.	Free Open source under the GPL 3.0; downloads are offered free on the website.
Windows, Linux	Windows, macOS, Linux, Android, iOS
Uses MPV for broad format support Controlled from the regular Plex mobile and web apps	Works with both Plex and Jellyfin servers Wide direct-play codec support with HDR10+ and Dolby Vision
Unofficial and not supported by Plex Requires a Plex server and another device to cast from	Needs an existing Plex or Jellyfin server Third-party client, so new server features may lag behind official apps
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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