When we first wrote about BarMax in January, there was a lot of interest in the iPhone app for one obvious reason: it cost $999.99. While it may not have been the first $1,000 app (the useless gimmick app, I Am Rich, can claim that title), it was the first to seemingly be worth the high price tag. Apparently, users have agreed. As the app meant to help law students pass the bar exam is already profitable and ready to roll out a version to cover another state: New York.

There’s a new version of cloud-based note-taking tool Evernote for the iPhone and iPod touch, and it supports the multitasking features added by Apple’s iOS 4 software. Evernote has three million users to recommend it, but no one with a great idea can rest on his or her laurels forever, so the company behind the tool has been updating the app with new features periodically.

Apple's App Store is right now carrying the Apple Store app. If that statement doesn't twist reality up in a Doctor Who style for you, then read on to find out about its iPhone-buying powers (from an iPhone!) and Genius session booking.

The ability of iPhone apps to generate insane revenue is pretty well-documented. It's not limited to Apple's App Store, either; the Android Market is capable of making some serious cash as well. But the App Store's greater popularity and much larger userbase make it a unique case.

Ever wonder what a week as the No. 1 free iPhone app in the App Store translates to in downloads and ad revenues? One of the employees at mobile ad management platform Burstly created an app called Air Horn, which simply makes a very loud horn noise. The app, which had been out for over 6 months and had zero marketing dollars spent to promote it, recently hit the No. 1 spot on the Free App list.

Last week I wrote about the Pulse News Reader, a popular iPad application developed by two students at the Stanford Institute of Design that collects and presents articles from Web sites of news organizations like The New York Times.