Comparison

OBD2 Car Scanner vs YMOBD

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

Head to head
About

OBD2 Car Scanner

Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.

Highlights
  • Read and clear engine fault codes
  • Monitor real-time sensor data
  • Turn off check engine light
  • VIN decoder
  • Acceleration performance test
  • Generate PDF diagnostic reports
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

YMOBD

This tool connects to your car's OBD adapter via Bluetooth to collect real-time engine data, read fault codes, and provide solutions. It also records driving data, analyzes performance, and offers a HUD display for a safer and more enjoyable driving experience.

Highlights
  • Real-time engine data collection
  • Vehicle fault code reading and solutions
  • Driving data recording and analysis
  • Vehicle performance testing (acceleration, braking)
  • HUD display function
  • Day and night modes
Features
Read full description

YMOBD is a practical too. It has the characteristics of simple operation and accurate data, and is suitable for long-term use by car owners and users. Keep your car away from hidden dangers and make driving fun! Connect and communicate with the OBD adapter via Bluetooth: It can collect car engine data in real time, such as engine speed, ignition time, then correction, water temperature, fuel consumption, etc., with two modes of day and night, with HUD display function. It can read vehicle fault codes and provide professional solutions for detected vehicle fault codes. The driving process of the vehicle can be recorded every time. Analyze and summarize data such as mileage, average fuel consumption, driving time, and driving speed. It can test the acceleration, braking, and other performance of the vehicle, and provide analysis reports.

Screenshots

OBD2 Car Scanner4 screens
YMOBD4 screens

Verdict

The call

The clearest difference is rating: OBD2 Car Scanner at 4.6 against YMOBD's 2.9. OBD2 Car Scanner also leads on ratings volume (5K vs 84) and review sentiment (55% vs 34%). On price, update cadence, ads and in-app purchases 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. OBD2 Car Scanner sells 3 one-off in-app purchases and YMOBD sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OBD2 Car Scanner holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: OBD2 Car Scanner has 5K ratings behind it against 84, so its average is the more settled of the two. Written reviews point the same way: 55% of OBD2 Car Scanner's written reviews are positive against 34% of YMOBD's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
OBD2 Car Scanner versus YMOBD: the parameters behind the verdict, then further details
ParameterOBD2 Car ScannerYMOBD
PriceFreeFree
Rating4.6 (5K ratings) — better2.9 (84 ratings)
Positive reviews54.6% of reviews — better34.3% of reviews
Number of ratings5K — better84
Update frequencyEvery 5 weeksEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size65 MB49 MB
Age rating4+4+
DeveloperOUTILS OBD FACILE SARLshenzhen yuming

Customer experience

OBD2 Car Scanner

All ratings5,015 ratings
Positive89.8%
Neutral4.5%
Negative5.6%
Written reviews1,002 reviews
Positive54.6%
Neutral7.0%
Negative38.4%

YMOBD

All ratings84 ratings
Positive45.2%
Neutral2.4%
Negative52.4%
Written reviews70 reviews
Positive34.3%
Neutral0.0%
Negative65.7%

User reviews

OBD2 Car Scanner

From 5K App Store ratings

What we love

  • 👍 Helpful for diagnosing issues
  • 🚀 Easy to use and connect
  • 💡 Provides useful vehicle data
  • 🔍 Able to read and clear error codes

Room to improve

  • 💰 Expensive for full functionality
  • 🔒 Requires paid upgrade to access key features
  • 🐛 Connectivity issues and app crashes
  • 🚫 Limited functionality in free version

YMOBD

From 84 App Store ratings

What we love

  • 👍 Works well with Toyota
  • 👍 Accurate with many functions
  • 👍 Amazing for fixing cars
  • 👍 Useful for live data monitoring
  • 👍 Great and very detailed

Room to improve

  • 🐛 Scam, pay again for add-on
  • 🐛 Crashes on iPhone 17 Pro
  • 🐛 Requires personal info sharing
  • 🐛 Does not connect at all
  • 🐛 Junk, doesn't read OBD2 reader

Bugs and requests

OBD2 Car Scanner

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

YMOBD

Reported bugs

15 issues
  • App crashes on iPhone 17 Pro
  • Purchased add-on requires payment again
  • Contact section not working
  • App crashes every time on iPhone 17 Pro
  • Does not connect at all
Show 10 more
  • OBD2 reader not read by software
  • No transmission temperature reading
  • Bluetooth keeps disconnecting
  • App says OBD is connected but doesn't show info
  • Updated firmware, now won't connect
  • App stopped working after update
  • Rarely connects, disconnects when trying to get info
  • Email not arriving for account creation
  • Captcha not working/sending code
  • Does not work on iOS 18

Requested features

10 requests
  • Dark Mode support
  • Landscape mode support
  • Store data for comparison over time
  • Summary of vehicle diagnostics without connection
  • Run in background feature
Show 5 more
  • Weekly report of diagnostics
  • Allow viewing diagnostic data in offline mode
  • Remove need for model, make, year input for quick scans
  • More frequent updates and optimizations
  • Add landscape function in dashboard

In-app purchases

3 purchases

OBD2 Car Scanner

One-time3
  • Basic Edition$19.99
  • Upgrade to Plus Edition$20.99
  • Plus edition$39.99
4 purchases

YMOBD

One-time4
  • 车辆年检模拟$0.99
  • YMOBD-business expansion$1.99
  • YMOBD-Battery monitoring$2.99
Show 1 more
  • Super Car Sound$5.99

Questions

Is OBD2 Car Scanner free?
OBD2 Car Scanner is free to download, with in-app purchases available.
Is YMOBD free?
YMOBD is free to download, with in-app purchases available.
Which has better reviews, OBD2 Car Scanner or YMOBD?
OBD2 Car Scanner is rated higher. OBD2 Car Scanner averages 4.6 out of 5 from 5K ratings, while YMOBD averages 2.9 from 84 ratings.
Do OBD2 Car Scanner or YMOBD have ads?
Neither OBD2 Car Scanner nor YMOBD shows ads.
Which is updated more often, OBD2 Car Scanner or YMOBD?
OBD2 Car Scanner ships an update every 5 weeks, and YMOBD every 5 weeks. Most recently, OBD2 Car Scanner was updated on September 24, 2026 and YMOBD on September 21, 2026.

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