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Ultrasurf vs XX-Net: catalog facts
Ultrasurf	XX-Net
Free Free to download and use.	Freemium The software is distributed free; the project also mentions paid plans.
Windows	Windows, macOS, Linux, Android, iOS
Traffic is disguised as ordinary TLS web traffic Small, portable download that needs little setup	Traffic obfuscation designed to look like ordinary browser connections Portable, with no installation required
Closed source, so its security claims cannot be independently audited Focused on getting past censorship rather than full VPN features	Documentation is mainly in Chinese No license file is detected on the GitHub repository
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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