Don't get tricked when buying a used car, perform a quick used-car check yourself!

Analyze the car for manipulation and insights on its state of health.

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car check

No salesman will be able to trick you. Check for the car mileage manipulation, detect serious mechanical problems, and more. Are you the one selling your car? Be transparent with any potential buyers by showing them what you see on the Carly app!

“NHTSA estimates that more than 450,000 vehicles are sold each year with false odometer readings. This crime costs American car buyers more than $1 billion annually.“

NHTSA - 2020
Do your own simple car inspection

Easily detect manipulation or a bad deal with your smartphone

used car
Odometer fraud detection

Check for the car mileage manipulation

Fraudsters that manipulate the odometer and reduce the mileage can sell the car for almost $3,000 more than the actual value. Carly's "Used Car Check" feature enables you to compare numbers from different devices with an electronic memory.

used car
Car health analysis

Detect serious mechanical problems

Sometimes, there are faults in the car that the warning light hasn’t shown you — yet. As a car owner, you should be informed. Use the "Health" feature to get insights.

used car
Sales credibility

Be transparent as a seller!

You're selling your car and you want to negotiate from a stronger position? Use Carly to show that no odometer tampering was performed and no serious faults are present.

The insights available depend on the car. Find out if Carly can check your car for manipulation.

How it works

Understand how the Used Car Check works

used car

Carly sources KM/Mileage/Lifetime data and VIN from different ECUs (control units) of your car. These values have discrepancies in case of manipulation and tampering.

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Most common questions

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