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Atari800 vs MAME: catalog facts
Atari800	MAME
Free Free and open source under the GPL.	Free Free and open source under the GPL 2.0. No ROMs are included.
Windows, macOS, Linux, Android	Windows, macOS, Linux
Covers Atari 8-bit computers and the 5200 Very portable, with many ports	Covers thousands of arcade, console and computer systems in one program Accuracy is the stated priority, so behaviour matches the original hardware
Plain interface compared with newer emulators Android version goes under a different name	Accurate emulation of later hardware needs a genuinely fast machine ROM sets must match the exact version MAME expects, which frustrates newcomers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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