The best way to stay on top of deals at the App Store. This service allows users to create wish lists and lets you know when those apps are on sale. It's both a discovery engine and a money saver.
WIRED Syncs with AppShopper.com to track updates and price changes. Email and pop-up notifications. User-generated suggestions are far more useful than Apple's top-seller lists.
TIRED Sometimes stubbornly refuses to remember login credentials. Imprecise search.