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KakaoTalk vs WhatsApp: catalog facts
KakaoTalk	WhatsApp
Free Free to use for messaging and calls.	Free Free to use for personal messaging and calls.
Windows	Windows, macOS, Android, iOS, Web
Free messaging plus voice and video calls Chat folders and editable sent messages	End-to-end encrypted messages and calls Available on phones, desktop and the web
Official information is mostly in Korean Includes social and short-form video features beyond plain messaging	Proprietary and tied to a phone number account Relies on a central service run by the developer
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License: Proprietary	License not stated
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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