Comparison

EOBD Facile 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

EOBD Facile

Turn your smartphone into a professional OBD2 diagnostic tool. Monitor engine torque, read and clear fault codes, and access real-time vehicle sensor data. Supports a wide range of vehicles and ELM327 adapters.

Highlights
  • Read and clear engine fault codes
  • Real-time sensor monitoring
  • VIN decoder
  • Acceleration performance test
  • Generate PDF diagnostic reports
  • ELM327 adapter quality test
Features
Read full description

EOBD Facile is the OBD2 car scanner trusted by over 5 million drivers. Connect an ELM327 Bluetooth or WiFi adapter and turn your smartphone into a professional OBD2 diagnostic tool - monitor engine torque, read fault codes, no mechanic needed. ◉ CHECK ENGINE LIGHT IS ON? Run a complete OBD2 car diagnostic in seconds. EOBD Facile reads and clears engine and transmission fault codes (DTCs) so you know exactly what's wrong. Our code database covers 15,000+ definitions, including manufacturer-specific codes for BMW, Audi, Volkswagen, Ford, Mercedes, Renault, Peugeot, Fiat, Opel, Kia, Nissan, Toyota, Volvo, Subaru, Jeep, Lexus and more. ◉ REAL-TIME OBD2 LIVE DATA Monitor your vehicle sensors in real time: engine RPM, coolant temperature, vehicle speed, ignition timing, engine torque, air intake, fuel pressure, EGR, DPF and more. Record sensor sessions and replay them for deeper analysis. ◉ OBD2 SCANNER FEATURES — Read and clear engine and transmission fault codes — Turn off the check engine light from your dashboard — Display manufacturer-specific error codes — Real-time engine torque, RPM and sensor monitoring with live graphs — VIN decoder for vehicle identification — Sensor coherence test for advanced diagnostics — Acceleration performance test (0-60 mph, 0-100 km/h) — Trip recording and data logging — Generate and share PDF diagnostic reports — Built-in ELM327 adapter quality test ◉ OBD2 COMPATIBLE VEHICLES Works with all vehicles compliant with the OBD2 standard (also referred to as OBD-II, OBD 2, EOBD or OBDii). Gasoline cars from 2001, diesel from 2004, and commercial vehicles from 2007 are supported. Thousands of cars verified by our community — check the full list on our website. ◉ EASY CONNECTION EOBD Facile connects to any standard ELM327 OBD2 Bluetooth or WiFi adapter, including klavkarr, Vgate, Veepeak and other compatible car code readers. Plug into your car's OBD 2 port, launch the app, and start scanning. Warning: Many cheap ELM327 clones sold online do not function correctly. Use our built-in adapter test to verify compatibility before buying a new one. Can't find your OBD2 port? Download our free app "Where is my OBD2 port?" to locate it. ◉ UNLOCK PLUS FOR PRO DIAGNOSTICS The PLUS version unlocks manufacturer-specific codes, unlimited sensor recording, PDF reports, VIN decoding, and sensor coherence testing — professional-grade OBD2 diagnostics in your pocket. Download EOBD Facile - the OBD2 car scanner trusted by 5 million+ drivers. ◉ klavkarr.com

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

EOBD Facile4 screens
OBD Quest4 screens

Verdict

The call

The clearest difference is ads: EOBD Facile at none against OBD Quest's shown. EOBD Facile also leads on ratings volume (5.2K vs 1). OBD Quest's advantage is rating (5.0 vs 4.6). On price, update cadence, in-app purchases and monetization model 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. EOBD Facile sells 3 one-off in-app purchases and OBD Quest sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OBD Quest holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: EOBD Facile has 5.2K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

EOBD Facile ships an update every 5 weeks, OBD Quest every 3 weeks. The most recent releases landed on November 1, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
EOBD Facile versus OBD Quest: the parameters behind the verdict, then further details
ParameterEOBD FacileOBD Quest
PriceFreeFree
Rating4.6 (5.2K ratings)5.0 (1 ratings) — better
Positive reviews54.6% of reviews—
Number of ratings5.2K — better1
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0.0 — better
Further details — not scored
Size68 MB54 MB
Age rating4+4+
DeveloperOUTILS OBD FACILE SARLShop Booster Ltd

Customer experience

EOBD Facile

All ratings5,157 ratings
Positive89.9%
Neutral4.5%
Negative5.6%
Written reviews1,002 reviews
Positive54.6%
Neutral7.0%
Negative38.4%

OBD Quest

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

EOBD Facile

Reported bugs

3 issues
  • Unable to connect to some OBD2 adapters
  • Incorrect or missing sensor data
  • Paid version not functioning as expected

Requested features

4 requests
  • Add support for more vehicle makes and models
  • Improve user interface and data visualization
  • Ability to reset service lights and perform more advanced diagnostics
  • Integrate with vehicle GPS for location-based data

OBD Quest

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

EOBD Facile

One-time3
  • Basic Edition$19.99
  • Upgrade to Plus Edition$20.99
  • Plus edition$39.99
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 EOBD Facile free?
EOBD Facile is free to download, with in-app purchases available.
Is OBD Quest free?
OBD Quest is free to download, with in-app purchases available.
Which has better reviews, EOBD Facile or OBD Quest?
OBD Quest is rated higher. EOBD Facile averages 4.6 out of 5 from 5.2K ratings, while OBD Quest averages 5.0 from 1 ratings.
Do EOBD Facile or OBD Quest have ads?
OBD Quest shows ads; EOBD Facile does not.
Which is updated more often, EOBD Facile or OBD Quest?
EOBD Facile ships an update every 5 weeks, and OBD Quest every 3 weeks. Most recently, EOBD Facile was updated on November 1, 2026 and OBD Quest on October 19, 2026.

Other comparisons