It for iOS, macOS, Android, Windows and web (works seamlessly). Moreover, to keep your memories safe, entries will be encrypted and synced to the cloud for backup. All connections are encrypted via TLS 1.3 - technology designed for online banking, when you're using Hearty Journal on any of your devices. You can also set a password lock. Once set up, all your Hearty Journal apps which are installed on different devices will be locked.