Compare software

LINE vs Signal: catalog facts
LINE	Signal
Free Messages and voice and video calls are free.	Free Free; developed by a nonprofit funded by grants and donations
Android, iOS	Android, iOS, Windows, macOS, Linux
Free messaging and voice and video calls Widely used in several Asian countries	End-to-end encryption on every message and call using the open source Signal Protocol No ads, affiliate marketers or tracking
Closed source, centrally run service Mostly useful where contacts already use it	Requires a phone number that can receive an SMS or phone call to register Desktop app requires Signal to be installed on a phone first
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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