Make your own dyno test at anytime
A real dynamometer in your pocket, featuring :
Hundreds of users have compared PerfExpert with chassis dynamometers, showing great accuracy and consistency.
Compare your results to have pertinent insights about which tuning or parts provide best performances.
Share your results easily with friends, 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
2. Mount your phone firmly
No need to connect your phone or tablet to your car. With your device firmly mounted inside your car, PerfExpert can rely on your device's sensors to measure real car acceleration.
3. Accelerate through the entire rev range
Find a flat, straight, level road with no traffic and perform an acceleration from low rev to max engine rev, 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
- Mount the phone in proper position
- Put the car to a complete stop
- Press START and wait the GO signal
- When ready, launch the car slowly in 1st gear
- Shift up to the selected gear
- Wide open throttle from low rev, up to max engine rpm
- Release throttle and let the car slow down
- PerfExpert then displays horsepower and torque
Any question ?
Feel free to contact us!