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FreeFor buyers and owners

Every car has a hidden price.

See what a car will break and what it will cost you, before you buy it.

Download free See how it works
FreeCheck any car in 1 minute
Byouma garage screen for a 2022 BMW M440i

The seller knows. Now you do too.

$1,200

Spent on surprise repairs, every year.

Most of it could have been seen on the day the car was bought. Nobody showed the numbers.

Industry repair pricing data
68%

Of breakdowns follow a known pattern.

The same engines fail in the same places, at the same mileage. Byouma knows where to look.

NHTSA data analysis
Millions

Of safety recalls are never fixed.

Many used cars are sold with open recalls. Byouma checks the car, so it isn't your surprise.

Global recall records

Read a car's future before you sign.

Look up the exact model, engine, and mileage. After you buy, Byouma keeps watching it for you.

Every bill, before it comes.

Every service and repair this car will need, how many kilometers away it is, and what it costs.

2022 BMW M440i56,812 km
Inspection€250–450
3,188 km leftat 60,000 km
Oil service€180–260
3,188 km leftat 60,000 km
PCV valve cover€800–1,800
23,188 km leftat 80,000 km
Valve cover gasket€400–1,200
33,188 km leftat 90,000 km

Know the fair price.

Real service prices for this engine, so no quote surprises you.

Know the weak spots.

Known problems for this exact engine, and what to check on a test drive.

Upgrades that work.

Popular mods for your car, with install time, ratings, and real prices.

Deals that fit.

Parts matched to your exact engine and trim. No guessing.

Ask anything.

Ask about any car in plain words. Get a straight answer.

One minute. Four answers.

  1. 01

    Enter the car.

    The one you're looking at, or the one you own. Brand, model, year, mileage.

    Add your car screen
  2. 02

    See what it needs.

    Every service coming up, how far away it is, and the fair price.

    Maintenance schedule screen
  3. 03

    See the big bills.

    The expensive repairs this car is heading toward, and when.

    Coming up repairs and logbook screen
  4. 04

    Know the weak spots.

    The known problems of this engine, what to watch for, and how to prevent them.

    Known engine issues screen
“We were quoted €1,800 for a €600 job. And we had no way to push back.”

That moment started Byouma. Failure patterns, fair repair prices, and labor times all exist. They're just hidden in trade manuals most buyers never see.

We put that information in your pocket, for free. What we build next depends on what you ask for.

HonestWe tell you what the app can and can't do.
Always betterNew features every week, based on your feedback.
On your sideYou own the car. You should know the price.
Byouma app icon

Buy the car.
Not its problems.

Check your next car for free. It takes one minute.

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Free iPhone, iOS 15+