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RetroArch vs OpenEmu: catalog facts
RetroArch	OpenEmu
Free Free and open source, funded by donations.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Android, iOS	macOS
Configure once and every emulator core inherits the settings Runs on desktops, phones and a long list of games consoles	Native Mac library interface with artwork and metadata handled for you One controller configuration applies across every emulated system
The settings menu is deep and intimidating the first time You still have to download cores, and some systems need BIOS files you must supply	macOS only Core updates depend on the OpenEmu team packaging them
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 22, 2026

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