Bubble level is a handy tool for your iPhone of iPod touch. Have you ever been in the situation, where you needed a level but didn't have one. Or you have one but it is way back in the garage? With this application you will always have a level tool in your pocket. It will measure in 2 directions at once, so leveling your washing machine or freezer becomes very easy. And of cause to check the pool table in the bar.
This level includes a very easy calibration function.
"surprisingly useful" - TUAW.COM