Comparison

LELink Scanner vs OBD2 Cat

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

Head to head
About

LELink Scanner

This app acts as an engine diagnostics tool, allowing users to read and clear trouble codes, view real-time engine data, and customize performance gauges. It supports a wide range of OBD-II compliant vehicles and offers advanced features for both hobbyists and professionals.

Highlights
  • Read and clear trouble codes
  • View real-time engine and sensor data
  • Customizable gauges and dashboards
  • Smog readiness check
  • MPG and performance timers
  • Supports multiple ECU types
Features
Read full description

LELink is an engine performance and diagnostics tool for both automotive enthusiasts and professionals. Connecting to your iPhone/iPod, this scanner allows you to easily scan and clear engine codes, view and save real-time engine and performance data and much more. BENEFITS: * Read and clear trouble codes * Mode 6 * Smog Readiness Check * Display car performance and sensor data * Customizable gauges, showing only the data you are interested in * NO in-app purchase and NO subscription fees! __________________ Also features: + Show and reset a DTC / CEL / fault code (current, pending, and history) like a scan tool + Graph data + MPG widget to plot real time fuel efficiency + Can read Transmission Temperatures (vehicle dependent) + Horsepower/HP & Torque / acceleration + Boost / vacuum gauge + Engine speed / Engine RPM / Engine Load /Coolant / Fuel Tank + Customizable dashboard + Full configurable GUI with user choice of dial gauge, bar gauge, plot gauge, digital gauge, and on-off gauge as display elements + Full custom PID support + Formula support + Layout your own dashboard with the widgets / gauges you want, save /load layout + User can add more libraries within the app or by using iTunes File Sharing + Multiple ECU support;Non-CAN, 11-bit CAN, and 29-bit CAN ECU bus types + Gauge theme options + Background color options + Email user log function (access by long pressing custom PID screen) + Multiple PID formula support + 0 to 60mph timer and quarter mile timer __________________ LELink supports all OBD-II and EOBD compliant vehicles sold worldwide. If in doubt check with your manufacturer first or look for 'OBD2' on written on a big white label in your engine bay. ••••••••IMPORTANT INFO•••••••• LELink Scanner App is free to install but does require the purchase of the LELink or LELink2 OBD2 sensor to communicate with your vehicle. The sensor is sold separately in App or at http://www.outdoor-apps.com/store1.html. Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.

About

OBD2 Cat

This app reads diagnostic trouble codes and live vehicle data from compatible cars using a Bluetooth OBD2 adapter. It helps drivers understand dashboard warnings by checking engine codes, viewing sensor data, and retrieving vehicle identification information.

Highlights
  • Read diagnostic trouble codes (DTCs)
  • Clear supported trouble codes
  • View live engine and sensor data
  • Check VIN, make, model, and year
  • Auto Scan for codes
  • View OBD protocol and connection status
Read full description

Your car has a story. OBD2 Cat helps you read the clues. OBD2 Cat is a straightforward Bluetooth OBD2 car scanner for compatible vehicles and adapters. Read diagnostic trouble codes, view live vehicle data, and check key vehicle details from your iPhone. With OBD2 Cat, you can: - Read Check Engine diagnostic trouble codes (DTCs) - Clear supported trouble codes - View supported live engine and sensor data - Check and copy your VIN, plus available make, model, and model year - Turn on Auto Scan to scan for codes after connecting - See the active OBD protocol and connection status Designed for drivers who want a simple first look when a dashboard warning appears, without the clutter of a professional workshop tool. Use a Bluetooth OBD2 adapter compatible with your iPhone and vehicle. If you use an ELM327-style adapter, make sure it supports Bluetooth Low Energy (BLE). Important: Clearing a trouble code does not repair the underlying issue. A warning light may return if the fault remains. For safety-critical warnings or persistent problems, have the vehicle inspected by a qualified technician.

Screenshots

LELink Scanner4 screens
OBD2 Cat4 screens

Verdict

The call

The clearest difference is update cadence: OBD2 Cat at fortnightly against LELink Scanner's every 3 months. LELink Scanner's advantage is iOS requirement (12.0 vs 16.0). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for LELink Scanner against 5.0 for OBD2 Cat. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

LELink Scanner ships an update every 3 months, OBD2 Cat fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
LELink Scanner versus OBD2 Cat: the parameters behind the verdict, then further details
ParameterLELink ScannerOBD2 Cat
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews50.0% of reviews—
Number of ratings11
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size11 MB15 MB
Age rating4+4+
DeveloperK SOLUTION LLCRoman Tikhonychev

Customer experience

LELink Scanner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

OBD2 Cat

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

In-app purchases

None

LELink Scanner

No in-app purchases

None

OBD2 Cat

No in-app purchases

Questions

Is LELink Scanner free?
LELink Scanner is free to download, with no in-app purchases.
Is OBD2 Cat free?
OBD2 Cat is free to download, with no in-app purchases.
Which has better reviews, LELink Scanner or OBD2 Cat?
LELink Scanner and OBD2 Cat are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do LELink Scanner or OBD2 Cat have ads?
Neither LELink Scanner nor OBD2 Cat shows ads.
Which is updated more often, LELink Scanner or OBD2 Cat?
LELink Scanner ships an update every 3 months, and OBD2 Cat fortnightly. Most recently, LELink Scanner was updated on November 4, 2026 and OBD2 Cat on October 30, 2026.

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