Make your own tests with your smartphone, at anytime
A real dyno in your pocket
Hundreds of users have compared PerfExpert with chassis dynos, showing great results accuracy and consistency across different days and conditions.
Compare tuning results
By overlaying multiple results on the same graph you have pertinent insights about which tuning or performance parts provide best results.
Share with friends easily
Share your results dyno graph, tuning setup and test conditions in one click on any social network.
So far so good
So far it's awesome. Let me get some more runs.
Best dyno app
Very accurate dyno and
The results are spot on, very impressive for "only" an app compared to a rolling road.
How It Works ?
1. Create your car profile
Describe your car to PerfExpert by providing information such as curb weight, tire sizes or engine displacement.
2. Mount your phone in your car
No need to connect your phone to your car. With your phone firmly mounted inside your car, PerfExpert can rely on your phone's sensors to measure the real acceleration of your car.
3. Accelerate through the entire rev range
Find a flat, straight road with no traffic and perform an acceleration from low rev to the rev limiter, holding the same gear : that's it!
See it in action
Performing tests with PerfExpert is fast and easy to achieve
PerfExpert dyno test procedure on 2nd gear