Proton today launched Android and iOS apps for its Proton Drive secure cloud storage service—a service it claims is "the most private and secure" available today.
The Swiss company is best known for its encrypted mail service Proton Mail launched in 2014, but has also launched Proton VPN (2017), Proton Calendar (2019), and most recently Proton Drive in 2020 for secure file storage. Now Proton Drive is finally coming to mobile devices.
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Thousands of Proton community members participated in the beta test of Drive for iPhone, iPad, and Android devices. With the apps now available, users can upload files and photos from their smartphones and tablets, or access existing files stored in their Drive. The apps include an offline mode, allowing a user to activate offline access for a file or folder and retain access to it even if there's no mobile signal or Wi-Fi connection available.
Security comes in the form of Proton's open-source and publicly-audited end-to-end encryption, which automatically protects the contents of files from prying eyes, and Proton can't access the contents of files either. All data is stored on servers located in Switzerland and Germany, which Proton says ensures "strong legal and hardware protections."