I used Run Keeper for the iPhone and it gave the same results as MotionX, which is why I continued using just one of them to collect data (and then write up the

I used Run Keeper for the iPhone and it gave the same results as MotionX, which is why I continued using just one of them to collect data (and then write up the blog post). There's nothing to say, though, that both programs may just be crap...