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imo vs KakaoTalk: catalog facts
imo	KakaoTalk
Free Free to download and use.	Free Free to use for messaging and calls.
Windows, macOS, Android, iOS	Windows
Audio and video calls on mobile and desktop Built-in message translation	Free messaging plus voice and video calls Chat folders and editable sent messages
Proprietary and closed source Limited technical detail published about its encryption	Official information is mostly in Korean Includes social and short-form video features beyond plain messaging
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License: Proprietary
Not stated if an account is 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.