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Opera vs UC Browser: catalog facts
Opera	UC Browser
Free Free to download and use. The software is closed source.	Free Free to download and use.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Android
Ad blocking, a no-account proxy VPN, workspaces and sidebar messengers all ship in the browser itself rather than…	Built-in VPN and ad blocker Video downloading and floating window playback
It is closed source and owned by a Chinese consortium, and the built-in VPN is a browser proxy…	Closed source Bundled VPN and download features route traffic through the vendor's services
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
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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