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WeCom vs Lark: catalog facts
WeCom	Lark
Freemium Free to register with built-in office apps; some services such as company-paid calls cost…	Freemium Chat, docs, meetings and automations are offered free, with paid plans for larger teams.
Windows, macOS, Android, iOS	macOS, Web
Direct messaging with WeChat users Video meetings for up to 300 participants	Chat, meetings, docs and projects in one app Built-in workflow automation
Mainly suited to organisations working in the WeChat ecosystem Requires a registered company account	Hosted service, so data is stored with the provider Few details about plans and limits in the research
Downloadable app	Downloadable app, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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