Comparison

My Car Data vs OBD Quest

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

Head to head
About

My Car Data

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Do you know how much your car costs you? Take control with the My Car Data app. Features: - Simple to use. Great design. Fast and accurate. - All your vehicle information updated directly to your app. - Send updates to the information about your vehicle to your dealer. - Review details of all invoices for repairs and services (including PDF format download – easy to file and reprint if needed) - Pay your invoices directly via using secure payment services such as Paypal or iDEAL (Dutch). - Make a workshop booking for all any repairs and services directly from the app. - Automatic notifications from the dealer to you of your booking details. - Notification when the work on your car is completed and it's ready for collection. - If you have more than one vehicle – no problem. All details for all your vehicles can be managed within the same app.

About

OBD Quest

Decode and understand car diagnostic trouble codes with this comprehensive interpreter. It provides detailed insights into fault codes, potential causes, and repair recommendations, complementing your existing OBD2 scanning tools. Access a vast database of codes across multiple languages and car brands to diagnose issues with confidence.

Highlights
  • Interpretation of over 85,000 OBD2 codes
  • Multilingual support (English, French, Italian, German, Portuguese, Spanish)
  • Extensive coverage across auto makes and brands
  • Detailed insights for each code search
  • Unlimited code searches
  • AI-powered code interpretation
Features
Read full description

Unlock the ultimate power of OBD2 code interpretation with OBDQuest, your comprehensive solution for decoding, understanding and diagnosing car issues. Whether you're looking up a specific DTC fault code definition, or utilizing an OBD2 car scanner, OBDQuest will be your work companion you ever needed to provide unmatched insights into each individual fault code. Don’t get confused, this simple yet innovative application exploiting the power of AI along with comprehensive OBDii SAE/ISO databases is complementing your daily scanning tools below: obd2 scanner, torque obd2, bluedriver obd2 scan tool, car scanner, car scanner elm obd2, carista, obd fusion, forscan, obdlink, obd11, obdeleven, bimmerlink, veepeak, dash command, elm obd2, carly obd2 car scanner, JScan, repair solutions 2, torque pro, bootmod3, FIXD OBD2 Scanner, autocodes, DtcFix, DTCs Fix, obd jscan, OBDocker, torque lite, ScanMaster, car scanner, Dr. Prius, Carly, HobDrive etc. If you use any of those tools already, keep on using them along with OBDQuest to get more insights of the fault code and ease your car diagnostics. Key Features: 1. Interpretation of over 85,000 OBD2 codes 2. Multilingual support in English, French, Italian, German, Portuguese, and Spanish 3. Extensive coverage across various auto makes and brands 4. Detailed insights for each code search, covering potential symptoms, likely causes, primary components affected, recommended fixes, estimated repair costs, and risk assessment. 5. Unlimited code searches, empowering you to tackle any issue with confidence. OBDQuest isn't just another OBD2 app; it's your trusted companion for navigating the complexities of car diagnostics. Don't let trouble codes hold you back; harness the power of OBDQuest and drive with confidence. EULA - End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy : https://obdquest.com/privacy-policy/

Screenshots

My Car Data2 screens
OBD Quest4 screens

Verdict

The call

The clearest difference is in-app purchases: My Car Data at none against OBD Quest's 3. My Car Data also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0.0). On price, update cadence 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. OBD Quest sells 3 in-app purchases, starting at $9.99 per month. My Car Data asks for nothing beyond the download.

UpkeepUpdate frequency

My Car Data ships an update monthly, OBD Quest every 3 weeks. The most recent releases landed on September 7, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 6 level
My Car Data versus OBD Quest: the parameters behind the verdict, then further details
ParameterMy Car DataOBD Quest
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better14.0.0
Further details — not scored
Size4 MB54 MB
Age rating4+4+
DeveloperAppStudio Blue B.V.Shop Booster Ltd

In-app purchases

None

My Car Data

No in-app purchases

3 purchases

OBD Quest

Subscriptions2
  • Monthly Pro Plan$9.991 Month
  • Yearly Pro Plan$99.991 Year
One-time1
  • Pro Plan for 3 days only$0.99

Questions

Is My Car Data free?
My Car Data is free to download, with no in-app purchases.
Is OBD Quest free?
OBD Quest is free to download, with in-app purchases available.
Do My Car Data or OBD Quest have ads?
OBD Quest shows ads; My Car Data does not.
Which is updated more often, My Car Data or OBD Quest?
My Car Data ships an update monthly, and OBD Quest every 3 weeks. Most recently, My Car Data was updated on September 7, 2026 and OBD Quest on June 1, 2026.

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