Wallet apps for different platforms offers very similar functionality and differ mostly in interface design. Most wallet apps is basically an account that can be used to share data between devices (desktop or mobile).
iPhone and Windows wallet apps offer the most comprehensive wallet synchronization features.
Windows synchronizes data between desktop and mobile wallet apps given that they are installed on both mobile and desktop devices
iPhone devices offer built-in integration features to synchronize and update wallets automatically
In either case a PKPASS files can be treated as a standard ZIP archive, regardless of operating system or wallet app used.