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Lakka vs ROCKNIX: catalog facts
Lakka	ROCKNIX
Free Free and open source community project.	Free Free, built from open-source components, with donations accepted.
Linux	Linux
Built on RetroArch with netplay, rewind and shaders Automatic joypad recognition	Supports many handhelds from several brands Built-in save sync through Syncthing and rclone
Tied to RetroArch's interface and cores Runs as a dedicated system rather than an app on a desktop	Only runs on supported devices Installing replaces or bypasses the stock firmware
Operating system	Operating system
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it 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.