Possibly the world's first virtual construction tool, the Stanley Level iPhone App (Free) is also the first truly accurate digital level available for the iPhone. Once calibrated, the Stanley Level uses the iPhones built-in accelerometer to achieve the desired angle, and displaying a bubble for perfect measurements, just like the real thing.
Checking web statistics can be fun, but trying to keep track of them all can be tedious and time consuming. Ego ($2) provides up-to-the-second stats from all of your favorite web services and social sites, including Twitter, Feedburner, Google Analytics, Mint, and your own website, showing subscription totals and changes in hourly, daily, or monthly formats. Even better, Ego supports custom labels and multiple sources for each widget. Keeping track of your online identities and websites has never been so easy. Let the ego-stroking begin.
The boys of summer are about to step up to bat, and you'll be able to follow every play anywhere you go with the MLB.com At Bat 2009 iPhone app ($10). The app tracks the type, speed, and location of every pitch. You can choose live, streaming audio from either the home or visiting team, or watch video of best plays seconds after they happen. The app also provides game and standings updates as they happen. Best of all, the app automatically detects your connection speed and scales its streaming speed to deliver the best video for your situation.