Kaiser & Kaiser today introduces sprintTimer 1.0 for iPhone 4 and 3Gs, their photo finish app that employs the same techniques used in the Olympics. Start the timer and point the camera towards the finish line. sprintTimer will build an image of narrow slices of the finish line, each representing 0.03 seconds in time. Users can then scroll along the photo to get the time when each competitor crossed the finish line with 0.01 s resolution. The app also includes a motion controlled lap timer. As our App of the Day, all our regular readers know the trailer for this app will feature on every page of our site for…