...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. The app synchronizes encrypted vault data across devices via Proton’s encrypted sync service, making it easy to keep passwords and secrets consistent between iPhone, iPad, and other Proton Pass clients.