Proton Pass for iOS is the official iPhone and iPad mobile client of Proton’s secure password manager, offering a privacy-first vault that stores login credentials, secure notes, and other private digital items with end-to-end encryption performed on the user’s device. Designed with native Swift interfaces, the iOS app fits naturally into Apple’s ecosystem, supporting iCloud keychain-style convenience features like autofill, Face ID/Touch ID security, and system integrations while maintaining strict separation between user plaintext and any remote services. Users can organize items into folders, tag and search records, and fill credentials into apps and websites using the iOS autofill framework, turning strong security into a friction-free experience. ...