It doesn’t matter if you drive a Porsche or an old Mazda 626, as a guy you have something built into your brain about speed. Now, yes, one of those two options will most likely get you off the starting line faster and one may go zero-to-60 in, well, let’s just hope the wheels don’t fall off, but either way you’d probably love to keep track of your driving stats without all the expensive vehicle customizations. The Porsche gForce App powered by Mobil 1 is your free alternative. Download it to your iPhone and keep track of speed, G-Force and a whole slew of gear-head digits. It’s even got a history log so you can compare past performances and see how you measure up. Check your top speed and G-Force and even share them via Twitter or email. Somehow we feel every drive to the office will never be the same.