Selznick Scientific Software (http://www.selznick.com/) has announced PasswordWallet 4.6 for Mac OS X and version 4.6 for iPhone, iPod touch, and iPad. PasswordWallet is a password management solution.

The apps allow users to automatically share all of their passwords between their Mac, iPhone, MobileMe, and DropBox, as well as their Windows, Android, Windows Mobile, and Palm Pre devices. PasswordWallet for the iPhone features encrypted exports and Backup and Restore functionality that requires no special software, not even iTunes. It encrypts and stores data and information all in one convenient location: passwords, usernames, PIN numbers, combinations, personal notes and more.

PasswordWallet lets users lock and unlock all of their passwords with a single master password. They can even save web addresses, and PasswordWallet will launch the default browser automatically. The application’s auto-typing feature fills in the required user name and password, allowing users to log-in to any previously visited website.

The PasswordWallet 4.6 update for Mac OS X includes improved network synchronization wizard, enhanced Dropbox synchronization support, and expanded synchronization preferences. The PasswordWallet 4.6 update for iPhone, iPod touch, and iPad includes improved network synchronization wizard, all new Dropbox synchronization support, a lock time-out preference, improved auto-fill for web sites, new options for backup and restore, and an integrated help function .

PasswordWallet 4.6 for Mac costs US$20 and is available as a free trial download directly from Selznick Scientific Software; owners of version 4.x can upgrade free; and the upgrade is $15 for version 3.x owners.

PasswordWallet 4.6 for iPhone is $4.99 (including a coupon for 25% off the Mac version), and is available exclusively through the App Store in the Utilities category. Versions for both the Palm Pre and the Android are included free with PasswordWallet for Mac. Version 4.5.0 for Windows Mobile is priced at $14, and version 4.0.5 for the Palm Classic is $15. Discounted upgrades are available for qualified users.