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RetroDECK vs RetroBat: catalog facts
RetroDECK	RetroBat
Free Free to install from Flathub.	Free The open-source distribution is available without a license fee.
Linux	Windows
Emulators and frontend preconfigured in one package Sandboxed Flatpak keeps files together	Everything is preconfigured, including controller mapping across emulators Runs portably from a USB drive
Linux only Flatpak packaging required	Windows only Large download, and customising beyond its defaults takes effort
Downloadable app	Downloadable app
Open source	Open source
License not stated	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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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