Comparison

KENNOL vs OBD2 Scanner

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

Head to head
About

KENNOL

Features
Read full description

International KENNOL app including: - full oil and fluid advisor (engine, transmission, coolants, brake fluid, specific fluids, etc.) - all the last 30 years Cars, vans, and motorbikes - unique and new anti-counterfeiting tool - all News about KENNOL products in racing

About

OBD2 Scanner

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

Highlights
  • Real-time engine data monitoring
  • Read and clear trouble codes
  • Performance tracking
  • Customizable dashboards
  • Repair manual database
  • Compatibility with OBD2 ELM327 adapters
Features
Read full description

Turn your phone into a car scanner : Diagnose & monitor with OBD2 Torque - Car Scanner ELM 327 ! Unlock your car's full potential: - OBD2 Diagnostics: Read & clear trouble codes, view real-time engine & sensor data. - Car Maintenance: Track service history, oil changes, and maintenance schedules. - Smart Driving Tools: HUD mode on windshield, Parking Finder, and Quick Navigation. - Performance Tracking: Monitor fuel efficiency, acceleration, and live gauges. - Custom Dashboards: Build personalized views with the info you need most. - Universal Compatibility: Supports standard OBD2 ELM327 Bluetooth/Wi-Fi scanners. Using tips: - The app requires a Wi-Fi or or Bluetooth 4.0 (Bluetooth LE) OBD2 ELM327 compatible adapter (device) to work. ELM327 devices plug into the diagnostics socket in the car and give your phone access to car diagnostics. - If you buy one of the cheap OBD2 ELM327 adapters , then make sure it’s not marked as v.2.1. These adapters are supported, but they have lots of bugs. - Vehicle ECUs vary in the amount of sensors supported. This app can’t show you something that is not provided by your car. Notice - This app are free-to-install, but has some premium features that need purchase/subscribe to use. Non-subscribed users can use each Premium feature for a limited number of times per day. - Subscriptions automatically renew unless cancelled 24 hours before the end of the period. - Manage your subscription and turn off auto-renewal in your account settings. - Any unused portion of a free trial will be forfeited if you subscribe. Term of use: https://appforlife.moniqtap.com/index.php/term-of-use/ Privacy Policy: https://appforlife.moniqtap.com/index.php/privacy-policy/

Screenshots

KENNOL4 screens
OBD2 Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: KENNOL at none against OBD2 Scanner's 6. KENNOL also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). OBD2 Scanner's advantage is update cadence (monthly vs every 6 months). On price and ads 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 Scanner sells 6 in-app purchases, starting at $6.99 per 7 days. KENNOL asks for nothing beyond the download.

UpkeepUpdate frequency

KENNOL ships an update every 6 months, OBD2 Scanner monthly. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

Scorecard4 real differences · 6 level
KENNOL versus OBD2 Scanner: the parameters behind the verdict, then further details
ParameterKENNOLOBD2 Scanner
PriceFreeFree
Rating—4.6 (1.1K ratings) — better
Positive reviews—22.5% of reviews
Number of ratings—1.1K — better
Update frequencyEvery 6 monthsMonthly — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size41 MB102 MB
Age rating4+4+
DeveloperKENNOL Performance OilPhong Pham

Bugs and requests

KENNOL

Not enough reviews yet to summarise bugs or requests.

OBD2 Scanner

Reported bugs

8 issues
  • Bluetooth connection drops and requires reboot
  • App fails to connect to OBD2 devices
  • Sensors display N/A values in paid version
  • Cannot select vehicle profile
  • App crashes or becomes unresponsive
Show 3 more
  • Fault code reading not functioning
  • Unauthorized subscription charges after trial
  • Device not recognized by application

Requested features

6 requests
  • Oil temperature and transmission data
  • Wheel sensor information
  • Pending DTC display
  • Permanent check engine light clearing
  • Module-specific scanning selection
Show 1 more
  • Better privacy controls and data protection

In-app purchases

None

KENNOL

No in-app purchases

6 purchases

OBD2 Scanner

Subscriptions5
  • Premium weeky freetrial3 Days trial$6.997 Days
  • Premium Weekly3 Days trial$7.997 Days
  • Premium Monthly$14.991 Month
Show 2 more
  • Premium Monthly$17.991 Month
  • Premium Yearly$59.991 Year
One-time1
  • Lifetime Premium$69.99

Questions

Is KENNOL free?
KENNOL is free to download, with no in-app purchases.
Is OBD2 Scanner free?
OBD2 Scanner is free to download, with in-app purchases available.
Do KENNOL or OBD2 Scanner have ads?
Both KENNOL and OBD2 Scanner show ads.
Which is updated more often, KENNOL or OBD2 Scanner?
KENNOL ships an update every 6 months, and OBD2 Scanner monthly. Most recently, KENNOL was updated on November 6, 2026 and OBD2 Scanner on November 12, 2026.

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