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Proton Drive vs Chitralaya CloudGallery: catalog facts
Proton Drive	Chitralaya CloudGallery
Freemium A free account is available, with paid plans for more storage and a separate business…	Free Free and open source; storage is provided by Telegram.
Android, iOS, Web	Android
End-to-end encryption that the provider cannot read Automatic photo and video backup from mobile	Uses Telegram as storage with no extra subscription Backs up images directly from the phone
Requires a Proton account Free tier storage is limited	Requires a Telegram account and bot setup Depends on Telegram's servers and terms of service
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0 / Apache-2.0
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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