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Optimus Player vs IINA: catalog facts
Optimus Player	IINA
Paid Commercial app; see the developer's website for current pricing.	Free Free and open source under the GPL 3.0.
macOS	macOS
Plays 250+ formats via FFmpeg Color-accurate playback using macOS frameworks	mpv decoding with a genuinely native macOS interface Picture-in-picture, gestures, Touch Bar and a standalone music mode
macOS only Closed source, unlike VLC or IINA	macOS 11 or newer only Nightly builds exist but the project warns they may be unusable
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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