Comparison

One Car Challenge vs PAVolaris

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

One Car Challenge

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.

Highlights
  • 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
Read full description

The One Car Challenge is an 11-week pilot from LA Metro. If your household leaves one enrolled vehicle parked for the week — under 3 miles driven — you earn $120 for that week. EVERY PARTICIPANT COMPLETES THREE STAGES · Baseline (1 week) — no earnings. A starting-point reading so LA Metro can measure your normal driving. · Earning (5 weeks) — keeping one enrolled vehicle under 3 miles for the week earns you $120 for that week. · Research (5 weeks) — no earnings, drive as usual. Your weekly readings help LA Metro measure the pilot. Households enter the earning and research stages in a set order — some earn first and help with research in the second half; others do the reverse. Your order is set at enrolment. HOW THE APP WORKS · Each Sunday during the pilot, you submit an odometer reading for every enrolled vehicle. If your car supports it, One Car Challenge reads the odometer automatically through a supported connection. Otherwise, snap a weekly photo. · Weekly surveys are part of the pilot and carry small extra rewards. THREE REQUIRED READINGS The pilot needs an odometer reading from you in three specific weeks: · Baseline week: odometer due on 4 Oct 2026 · Crossover week: odometer due on 8 Nov 2026 · Final week: odometer due on 13 Dec 2026 Miss any one and you're removed from the pilot — this is a core part of how LA Metro measures the results. HOW YOU GET PAID Choose between a one-time virtual Visa card delivered by email, or a payout to your existing debit card. All earnings are paid together after the pilot ends in December, once LA Metro reviews the final results. ENROLMENT The One Car Challenge is invitation-only. If you were invited by LA Metro, your email address will match the invitation list at sign-up. Participants must live in LA County. Enrolment closes at 3,000 households. SUPPORT Tap Contact Us in the app any weekday during business hours. Our team responds through the in-app chat. Powered by GoCarma. The One Car Challenge is a research pilot sponsored by LA Metro, in partnership with King's College London, the Center for Advanced Hindsight at Duke, the Southern California Association of Governments, and the California Air Resources Board.

About

PAVolaris

Features
Read full description

Unlock the full power of your Volaris flight pass with PAVolaris! If you are a frequent traveler using an annual flight pass, you know how time-consuming it is to manually search for available flights day by day. PAVolaris eliminates the grind by giving you the ultimate companion toolset to maximize your pass value, book faster, and travel more frequently. Please note: PAVolaris is an independent companion utility and is not officially affiliated with or endorsed by Volaris. WHY USE PAVOLARIS? • LIGHTNING-FAST BULK SEARCH Stop wasting time checking dates one by one. Our powerful search engine allows you to run over 100 flight availability searches in less than 30 seconds, letting you scan entire weeks or months of travel options in a single tap. • EXCLUSIVE ROUTE BUILDER Stuck trying to find a direct flight? The official website won't help you connect the dots. The exclusive PAVolaris Route Builder automatically maps connecting flight data specifically for pass holders. Easily piece together separate nonstop flights to discover hidden connections and alternative routes that standard booking engines simply don’t show you. • FLIGHT AVAILABILITY ALERTS Never miss an open travel window. Set automated availability alerts for your favorite routes and get notified the moment a flight option aligns with your schedule. • EFFORTLESS TRIP PLANNING Keep tabs on your upcoming travel options, monitor route trends, and manage your flight search strategy all within a clean, premium, and fast user interface designed to save you hours of manual searching. Whether you travel for business, family, or weekend getaways, PAVolaris turns your pass into a truly limitless travel tool. Download PAVolaris today and start traveling smarter! --- Subscription Details: PAVolaris is a companion utility designed for annual pass holders. Premium features, including bulk searching, automated alerts, and the advanced Route Builder, require an active subscription. Manage your subscription directly through your App Store account settings. PAVolaris offers premium flight search and route planning tools via an active subscription. • Terms of Use (EULA): https://pavolaris.com/terms-of-service/ • Privacy Policy: https://pavolaris.com/privacy-policy/ Payment will be charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or turn off auto-renew in your Account Settings at any time after purchase.

Screenshots

One Car Challenge4 screens
PAVolaris4 screens

Verdict

The call

The clearest difference is in-app purchases: One Car Challenge at none against PAVolaris's 1. PAVolaris's advantage is iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PAVolaris sells 1 in-app purchase, starting at $9.99 per month. One Car Challenge asks for nothing beyond the download.

Scorecard2 real differences · 8 level
One Car Challenge versus PAVolaris: the parameters behind the verdict, then further details
ParameterOne Car ChallengePAVolaris
PriceFreeFree
Rating3.5 (14 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 2 days—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size114 MB45 MB
Age rating4+17+
DeveloperCarmaAnthony Sarlo

In-app purchases

None

One Car Challenge

No in-app purchases

1 purchases

PAVolaris

Subscriptions1
  • Monthly Access - PAVolaris7 Days trial$9.991 Month

Questions

Is One Car Challenge free?
One Car Challenge is free to download, with no in-app purchases.
Is PAVolaris free?
PAVolaris is free to download, with in-app purchases available.
Do One Car Challenge or PAVolaris have ads?
Neither One Car Challenge nor PAVolaris shows ads.

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