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RetroArch vs SMS Plus: catalog facts
RetroArch	SMS Plus
Free Free and open source, funded by donations.	Freemium The emulator is a free download; the Emulator Enhancer add-on is shareware.
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	Accurate Master System and Game Gear emulation YM2413 FM sound and CodeMasters mapper support
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 Gamepad and full screen support need the paid Emulator Enhancer
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 2, 2026

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