Want to know how fast your car is? You can test & tune your car just by using your phone's built in GPS! (*Track Use Only*)

Step 1 - Secure the phone inside your car and choose the type of race to perform (Distance or Speed)
Step 2 - Once you see "GO!" just start your run!
Step 3 - Your timeslip will display immediately after completing a race.

Save all your timeslips so you can review and share.

We want to share our passion for all things racing by bringing you the tools you'll need to get the best time possible. Bad weather conditions can kill your ET and lower trap speeds. Use our tool to check key racing conditions instantly for your current location.

Our powerful performance calculators will help you better your times and get you to where you want to be.

Speedo not working yet after that engine swap? Our app also provides an active speedometer using your phones GPS.

Oh and our app supports imperial and metric units with the flip of a switch!