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Recalbox vs KNULLI: catalog facts
Recalbox	KNULLI
Free The system is a free download; optional hardware is sold separately in the project shop.	Free Free to download from the project's GitHub releases.
Linux	Linux
Supports more than 100 consoles, handhelds and computers Simple setup through the official Raspberry Pi Imager	Supports a wide range of retro handhelds, including Anbernic H700 devices Built-in Syncthing integration for syncing saves
Replaces the operating system on the device it is installed on Games are not included; you supply your own	Only runs on supported handheld devices Installing means flashing a card and replacing the stock firmware
Operating system	Operating system
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 24, 2026

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