TextExpander from Smile Software is a wonderful tool that turns text strings and images into tiny little shortcuts, saving you time and effort every time you type. It’s a little like the Shortcuts feature Apple built into iOS 5, but a million times better. You can currently find it in the Mac App Store, but we’d advise you not to buy it there.
Why? Because the Mac App Store version is the older version 3.4.2 release, and Smile Software has chosen to depart Apple’s marketplace for version 4.0. It turns out that the Cupertino company’s strict sandboxing rules, which went into effect on June 1, don’t allow some of TextExpander’s core features.