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Telegram X FOSS vs Telegram X: catalog facts
Telegram X FOSS	Telegram X
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0.
Android	Android
Based on TDLib with smooth animations FOSS-friendly build distributed through F-Droid	Official Telegram client with a different interface Reproducible builds and APK hash verification
Unofficial fork, not maintained by Telegram Android only	Android only Requires a Telegram account
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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