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Telegram for macOS vs 64Gram: catalog facts
Telegram for macOS	64Gram
Free Free to download and use; the client source is under GPL v2.	Free Free and open source under the GPL-3.0 with an OpenSSL exception.
macOS	Windows
Native macOS app rather than a cross-platform port Open source client under the GPL v2	Follows recent Telegram Desktop versions Adds enhancements not in the official client
Messages are stored on Telegram's servers macOS only; other platforms use different clients	Unofficial client not endorsed by Telegram Release notes are often minimal
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0-with-openssl-exception
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.