Comparison

ELMCheck vs LELink Scanner

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

Head to head
About

ELMCheck

Verify the authenticity and functionality of your OBD-II scanner. This app runs comprehensive tests on ELM327 commands to report supported features, ensuring safe and reliable use with your vehicle.

Highlights
  • Authenticity testing for OBD-II scanners
  • Comprehensive ELM327 command test suite
  • Reports actual supported features
  • Ensures safe scanner usage
  • Basic tests are free
  • Unlock full suite with in-app purchase
Features
Read full description

Check the authenticity of your OBD-II scanner with ELMCheck. Most OBD-II scanners on the market use some variation of ELM327, but did you know that many scanners use clones of the original ELM327? It can be hard to tell, because these clones will work well enough for basic use but fail in unexpected scenarios. This is where ELMCheck comes in. ELMCheck offers a comprehensive set of test cases that cover the entire documented set of ELM327 commands. Regardless of which version your scanner says it is, ELMCheck can provide a comprehensive report of the features that are actually supported. Get the confidence you need to use your OBD-II scanner on your vehicle safely. ELMCheck is free to run basic tests. An in-app purchase will unlock the full test suite.

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.

Screenshots

ELMCheck4 screens
LELink Scanner4 screens

Verdict

The call

ELMCheck and LELink Scanner both sit at 5.0 stars, but that hides the real split: 100% of ELMCheck's written reviews are positive against 50% of LELink Scanner's. ELMCheck also leads on update cadence (every 10 days vs every 3 months). LELink Scanner's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 18). 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. ELMCheck sells 1 one-off in-app purchase. LELink Scanner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for ELMCheck against 5.0 for LELink Scanner. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of ELMCheck's written reviews are positive against 50% of LELink Scanner's.

UpkeepUpdate frequency

ELMCheck ships an update every 10 days, LELink Scanner every 3 months. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
ELMCheck versus LELink Scanner: the parameters behind the verdict, then further details
ParameterELMCheckLELink Scanner
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings11
Update frequencyEvery 10 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS1812.0 — better
Further details — not scored
Size6 MB11 MB
Age rating4+4+
DeveloperFearless design, LLCK SOLUTION LLC

Customer experience

ELMCheck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

LELink Scanner

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

In-app purchases

1 purchases

ELMCheck

One-time1
  • Comprehensive testing$2.99
None

LELink Scanner

No in-app purchases

Questions

Is ELMCheck free?
ELMCheck is free to download, with in-app purchases available.
Is LELink Scanner free?
LELink Scanner is free to download, with no in-app purchases.
Which has better reviews, ELMCheck or LELink Scanner?
ELMCheck and LELink Scanner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do ELMCheck or LELink Scanner have ads?
Neither ELMCheck nor LELink Scanner shows ads.
Which is updated more often, ELMCheck or LELink Scanner?
ELMCheck ships an update every 10 days, and LELink Scanner every 3 months. Most recently, ELMCheck was updated on September 16, 2026 and LELink Scanner on September 10, 2026.

Other comparisons