SenseMe Lite app for iPhone and iPad

Turn your iPhone/iPod into a Personal Acceleration Sensor using the iDevices built in Accelerometer. The Raw sensor data can be recorded to a CSV (Comma Separated Value) File that is retrievable via iTunes. The Recording interval can be Adjusted via the Settings. This Free Version supports only iPhones and iPods and has access to only the iDevices Accelerometer.

The Full Version (in Development ) supports all of the iDevices Sensors and has iPad Support as well. Will Be Released Shortly.
Sensors Supported in Full Version
and has additional Features.