PerfExpert - Measure, analyze and improve your car performances

Measure horsepower and torque by your own
Make your own dyno test with your smartphone, and compare performance parts effectiveness
Make your own dyno test at anytime
A real dynamometer in your pocket, featuring :

2% accuracy
Hundreds of users have compared PerfExpert with chassis dynamometers, showing great accuracy and consistency.
Comparison
Compare your results to have pertinent insights about which tuning or parts provide best performances.
Sharing
Share your results easily with friends, on any social network.
They tested and approved it
You too, perform your own dyno test with your Android or iOS device

So far so good
So far it's awesome. Let me get some more runs.

Christian Vanegas
Best dyno app
Very accurate dyno and
timed run

Matt Blake
Excellent
The results are spot on, very impressive for "only" an app compared to a rolling road.

Tom Gijsbers
How It Works ?
It's simple

1. Create your car profile
Describe your car to PerfExpert by providing information such as car weight, tire sizes or engine displacement (see complete parameters list in the FAQ).
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
Don't wait to test your car
Use your Android or iOS device to make your own dyno test
Any question ?
Feel free to contact us!
Name

Email

Message

Comment

Measure horsepower and torque by your own

Make your own dyno test with your smartphone, and compare performance parts effectiveness

Make your own dyno test at anytime

A real dynamometer in your pocket, featuring :

2% accuracy

Hundreds of users have compared PerfExpert with chassis dynamometers, showing great accuracy and consistency.

Comparison

Compare your results to have pertinent insights about which tuning or parts provide best performances.

Sharing

Share your results easily with friends, on any social network.

They tested and approved it

You too, perform your own dyno test with your Android or iOS device

So far so good

Best dyno app

Excellent

How It Works ?

It's simple

1. Create your car profile

2. Mount your phone firmly

3. Accelerate through the entire rev range

See it in action

Performing tests with PerfExpert is fast and easy to achieve

PerfExpert dyno test procedure

Don't wait to test your car

Use your Android or iOS device to make your own dyno test

Any question ?

Feel free to contact us!