The first and the most famous tweak you will ever see that records any car speed by using your iPhone video camera, just hold your iPhone camera and start recording, looks interesting right ? yeah SpeedClock tweak will record for you any moving object in the streets, also the developers behind SpeedClock have just update it and added some new features, like you now can record small fast objects like balls, the tweak is working for iPhone 3GS/4, iPad 2 and iPod Touch 4G.
SpeedClock feature Highlights:
1. Accurately measure speed in m/s, km/h, mph, ft/s or knots
2. Calculate and display distances in meters or feet
3. Video motion-sensing automatically measures speed
4. Sensitivity controls for optimal measurement in difficult conditions
5. Carry a miniature radar gun and range finder in your pocket