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Telegram for macOS vs Telegram A: catalog facts
Telegram for macOS	Telegram A
Free Free to download and use; the client source is under GPL v2.	Free Free to use with a Telegram account.
macOS	macOS, Web
Native macOS app rather than a cross-platform port Open source client under the GPL v2	Official Telegram client Works in a browser with nothing to install
Messages are stored on Telegram's servers macOS only; other platforms use different clients	Requires a Telegram account Little documentation on how it differs from Telegram Desktop
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-2.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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