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One Car Challenge

One Car Challenge

Park one car. Earn rewards.

14 ratings
4 reviews
🌟 Lifestyle
✈️ Travel
Free

Details

Released
September 28, 2026
Updated
October 7, 2026

Developer

Carma
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About

Participate in an 11-week pilot program to earn rewards by limiting your vehicle's mileage. Submit odometer readings weekly and complete surveys to track your progress and contribute to research.

✓Earn rewards for low mileage
✓Weekly odometer submissions
✓In-app surveys for extra rewards
✓Invitation-only pilot program
✓Virtual Visa or debit card payouts
✓LA County resident requirement
Show original description

What's New in One Car Challenge

1.0.4

October 7, 2026

Welcome to the One Car Challenge. An 11-week research pilot from LA Metro. Keep one household vehicle under 3 miles a week during earning weeks and earn $120 that week. · One Sunday odometer reading per vehicle — snap a photo or connect Auto-Submit · Baseline → Earning → Research (or Baseline → Research → Earning, depending on your cohort) · Track your running balance and every reading on the home screen · Contact Us in the app for support, weekdays during business hours Powered by GoCarma.

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User reviews

Most RecentHighest RatedLowest Rated

Registration approved - let's make some 💸

I am happy that my registration was approved. Just starting out as It's only my first week. App is very easy to navigate. The functionality seems pretty basic but so far so good...not sure why the other reviews are so low...no issues whatsoever.
Aa)exO

Help

I’ve tried numerous times to log in and add my info and the app won’t respond. I’m ready to give up .
VFVictor Flynt

App not working

The app isn’t working and won’t verify my registration.
UCUnhappy with Charter

Terrible unusable design

Did anyone actually download this app and try to use it on an iPhone? Apparently not.
Rrdcu8mbdt

Developer apps

GoCarma
GoCarma

Drive and save, with ease.

✈️ Travel

(1.7K)

Free
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FAQ

How does One Car Challenge work?

One Car Challenge is an 11-week pilot where participants can earn rewards by keeping one enrolled vehicle under 3 miles driven per week. You'll submit odometer readings weekly and complete surveys.

What are the stages of the One Car Challenge?

The pilot includes a 1-week baseline stage for initial measurement, a 5-week earning stage where you can earn $120 per week, and a 5-week research stage for data collection.

How do I get paid for participating in One Car Challenge?

You can choose to receive your earnings as a one-time virtual Visa card via email or a payout directly to your existing debit card. All earnings are paid out together after the pilot concludes in December.

Is One Car Challenge available to everyone?

No, One Car Challenge is an invitation-only pilot program. Participants must live in LA County and have received an invitation from LA Metro. Enrollment is limited to 3,000 households.

What happens if I miss a required odometer reading in One Car Challenge?

Missing any of the three required odometer readings (Baseline, Crossover, or Final week) will result in removal from the pilot program. These readings are crucial for LA Metro to measure the pilot's results.

What devices does One Car Challenge support?

One Car Challenge is currently supported on iPhone devices. The app was last updated on October 7, 2026, with version 1.0.4.

What is the age rating for One Car Challenge?

One Car Challenge has an age rating of 4+, making it suitable for a wide range of users. The app is free to download and use.

How often is One Car Challenge updated?

The app was released on September 28, 2026, and its latest version, 1.0.4, was updated on October 7, 2026. This indicates a relatively frequent update schedule for the pilot program.