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RetroDECK vs EmuDeck: catalog facts
RetroDECK	EmuDeck
Free Free to install from Flathub.	Free Free to download from the official site.
Linux	Windows, Linux
Emulators and frontend preconfigured in one package Sandboxed Flatpak keeps files together	Sets up many emulators in one pass Aimed at Steam Deck and ROG Ally handhelds
Linux only Flatpak packaging required	Configures third-party emulators rather than emulating anything itself Little detail is published on the homepage
Downloadable app	Downloadable app
Open source	Closed 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 23, 2026

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