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2345 Browser vs Lenovo Browser: catalog facts
2345 Browser	Lenovo Browser
Free Free to download.	Free Free to download from Lenovo.
Windows	Windows, Android
Chromium and IE dual engine for old enterprise sites Supports Chrome extensions, including offline CRX installs	Recent Chromium 141 engine in a 64-bit build Built-in AI search, including image search
Interface and website are Chinese-only Bundles extras such as a game portal	Website and interface are in Chinese Proprietary, with no published source code
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account 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 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.