- fully native apps
- open source
- fully offline option (Strongbox Zero)
- one time purchase
- solid browser extensions for Chrome and Firefox
- native keychain autofill for Safari and Orion
- compatible with other KeePass apps on other platforms
- multiple sync options iCloud, G Drive, Dropbox, OneDrive, SFTP, WebDav, Syncthing
- support for offline vaults
- biometrics, Apple Watch unlock, and Yubikey support
- TOTP codes, attachments, and markdown notes can be stored
- supports password auditing with Have I Been Pwned
- supports importing 1PW vaults
Most importantly, Strongbox is made by a small and transparent company. Unlike Bitwarden or 1Password, they are solely focused on making high quality macOS and iOS apps.