Comparison

OBD2 Car Scanner vs QR Code & Barcode Scanner ・

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

QR Code & Barcode Scanner ・

Scan any QR code or barcode to access online information, create and share custom QR codes for various purposes, and manage inventory with a business scanner mode. Supports numerous code formats and offers iCloud synchronization for scan history.

Highlights
  • Scan QR codes and barcodes
  • Create and share custom QR codes
  • Business scanner mode for inventory
  • Supports numerous code formats
  • iCloud history synchronization
  • Export scan history as CSV
Features
Read full description

Discover your world by scanning any QR code or barcode to get additional information including results from popular online services; Amazon, eBay and Google - 100% FREE! Create and share QR codes to open URLs, connect to WiFi hotspots, add events, read VCards, etc. You can even manage complex inventory with the business scanner mode and more. With QRbot, you can; • Scan, create, share and manage your own QR codes. QRbot uses Apple's built-in native scanning technology delivering quick results. Code formats supported include; QR code, EAN 13, EAN 8, UPC-A, UPC-E, Code 128, Data Matrix, PDF417, Aztec, Interleaved 2 of 5, Code 39, Code 93, Codabar, DataBar, etc. • Get specific information by adding custom websites into the barcode search (i.e. your favorite shopping website). • Manage unlimited history and keep it synchronized via iCloud across all your devices. • Export your scan history (as CSV file). Import it to your favorite spreadsheet (Excel, Numbers, etc.) or save it to any cloud storage (iCloud Drive, Dropbox, Google Drive, etc.). • Instantly send your codes to any configurable web server in Business Scanner Mode. • Use QRbot for product inventory and quality assurance in your small business! • Easily share content from within apps as QR codes (i.e. generate a QR code from within Safari to share a website URL). • Search all your QR codes from within Spotlight. • Make your favorite QR codes (e.g. your personal Wifi hotspot, your VCard) appear on your Apple Watch. • Many many more! If you have any suggestions or questions, feel free to contact us any time: ios@qrbot.net Terms of Service https://qrbot.net/terms-app QR Code is a registered trademark of DENSO WAVE INCORPORATED in the United States and other countries.

Screenshots

OBD2 Car Scanner4 screens
QR Code & Barcode Scanner ・4 screens

Verdict

The call

The clearest difference is ads: OBD2 Car Scanner at none against QR Code & Barcode Scanner ・'s shown. QR Code & Barcode Scanner ・'s advantage is review sentiment (81% vs 55%) and ratings volume (94K vs 5K). On price, rating, update cadence 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 QR Code & Barcode Scanner ・ sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for OBD2 Car Scanner against 4.6 for QR Code & Barcode Scanner ・. That said, the two scores are not equally well evidenced: QR Code & Barcode Scanner ・ has 94K ratings behind it against 5K, so its average is the more settled of the two. Written reviews are what separate them: 55% of OBD2 Car Scanner's written reviews are positive against 81% of QR Code & Barcode Scanner ・'s.

UpkeepUpdate frequency

OBD2 Car Scanner ships an update every 5 weeks, QR Code & Barcode Scanner ・ every 3 weeks. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard4 real differences · 6 level
OBD2 Car Scanner versus QR Code & Barcode Scanner ・: the parameters behind the verdict, then further details
ParameterOBD2 Car ScannerQR Code & Barcode Scanner ・
PriceFreeFree
Rating4.6 (5K ratings)4.6 (94K ratings)
Positive reviews54.6% of reviews81.5% of reviews — better
Number of ratings5K94K — better
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, Apple Watch — better
Requires iOS14.012.0 — better
Further details — not scored
Size65 MB50 MB
Age rating4+17+
DeveloperOUTILS OBD FACILE SARLTeaCapps

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%

QR Code & Barcode Scanner ・

All ratings93,949 ratings
Positive90.5%
Neutral3.1%
Negative6.3%
Written reviews1,731 reviews
Positive81.5%
Neutral2.5%
Negative16.0%

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

QR Code & Barcode Scanner ・

From 94K App Store ratings

What we love

  • 🚀 Fast and accurate scanning
  • 👍 User-friendly interface
  • 💡 Versatile - scans barcodes and QR codes
  • 🚀 Quick and responsive
  • 👍 Intuitive and easy to use

Room to improve

  • 🐛 Occasional scanning issues
  • 💰 Paid features may be required
  • 🔍 Limited product information lookup
  • 🔍 Inconsistent search results

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

QR Code & Barcode Scanner ・

Reported bugs

2 issues
  • Crashes or freezes on some devices
  • Inconsistent behavior when scanning certain code types

Requested features

4 requests
  • Ability to save and organize scanned codes
  • More comprehensive product information lookup
  • Dark mode option
  • Improved export/sharing of scanned data

In-app purchases

3 purchases

OBD2 Car Scanner

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

QR Code & Barcode Scanner ・

Subscriptions1
  • Pro version$3.991 Month
One-time2
  • Pro Version$10.99
  • Pro Version$14.99

Questions

Is OBD2 Car Scanner free?
OBD2 Car Scanner is free to download, with in-app purchases available.
Is QR Code & Barcode Scanner ・ free?
QR Code & Barcode Scanner ・ is free to download, with in-app purchases available.
Which has better reviews, OBD2 Car Scanner or QR Code & Barcode Scanner ・?
OBD2 Car Scanner and QR Code & Barcode Scanner ・ are both rated 4.6 out of 5 on the App Store, from 5K and 94K ratings respectively.
Do OBD2 Car Scanner or QR Code & Barcode Scanner ・ have ads?
QR Code & Barcode Scanner ・ shows ads; OBD2 Car Scanner does not.
Which is updated more often, OBD2 Car Scanner or QR Code & Barcode Scanner ・?
OBD2 Car Scanner ships an update every 5 weeks, and QR Code & Barcode Scanner ・ every 3 weeks. Most recently, OBD2 Car Scanner was updated on September 24, 2026 and QR Code & Barcode Scanner ・ on September 25, 2026.

Other comparisons