Great for what it is
First off the lightning facts are fun, even if no storms are nearby. The author has taken time to update the app so it isn't a one shot deal. If all of the wiz-bang features were added that were mentioned below, the app would probably cost $1000 dollars, get real. As for simply counting seconds, first off the help says it should be 4.77 secs per mile not 5, but what's the fun in counting yourself?