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

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