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BlastEm vs RetroArch: catalog facts
BlastEm	RetroArch
Free Free and open source under the GPL.	Free Free and open source, funded by donations.
Windows, macOS, Linux	Windows, macOS, Linux, Android, iOS
Cycle accuracy that handles demos other emulators fail Fast enough for old hardware despite the accuracy	Configure once and every emulator core inherits the settings Runs on desktops, phones and a long list of games consoles
Small project with occasional releases Interface is minimal	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
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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