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Telegram vs KakaoTalk: catalog facts
Telegram	KakaoTalk
Free The apps are free to download and use.	Free Free to use for messaging and calls.
Windows, macOS, Linux, Android, iOS	Windows
Chats sync across phones and desktop computers Large groups, channels and bot platform	Free messaging plus voice and video calls Chat folders and editable sent messages
Relies on Telegram's central servers Apps are open source but the server software is not published	Official information is mostly in Korean Includes social and short-form video features beyond plain messaging
Downloadable app, Hosted service	Downloadable app
Open source	Closed source
License: GPL-3.0	License: Proprietary
Account 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.