Comparison

Troodon OBD 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

Troodon OBD

Features
Read full description

Unlock the full potential of your vehicle with Troodon OBD. Features include*: • ECU identification • Reading and clearing DTCs from ECU memory • Vehicle parameters monitoring • Visual data representation (graph mode) • Data logging for any number of parameters • Actuator testing procedures • Additional features • ECU configuration/adaptation • Sensor calibration • DPF regeneration • Component replacement functions and configurations • Service and oil change interval reset • Various other procedures specific for each vehicle This app is compatible with following devices: • Troodon OBD Basic • Troodon OBD Pro Whether you're a DIY enthusiast or a seasoned mechanic, Troodon OBD simplifies complex tasks, making advanced diagnostics easy and accessible. * Feature compatibility depends on the specific vehicle and the range of software installed on your diagnostic device.

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

Troodon OBD3 screens
LELink Scanner4 screens

Verdict

The call

The clearest difference is update cadence: Troodon OBD at every 3 weeks against LELink Scanner's every 3 months. LELink Scanner's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Troodon OBD ships an update every 3 weeks, LELink Scanner every 3 months. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Troodon OBD versus LELink Scanner: the parameters behind the verdict, then further details
ParameterTroodon OBDLELink Scanner
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size27 MB11 MB
Age rating4+4+
DeveloperDevCom spol. s r.o.K SOLUTION LLC

In-app purchases

None

Troodon OBD

No in-app purchases

None

LELink Scanner

No in-app purchases

Questions

Is Troodon OBD free?
Troodon OBD is free to download, with no in-app purchases.
Is LELink Scanner free?
LELink Scanner is free to download, with no in-app purchases.
Do Troodon OBD or LELink Scanner have ads?
Neither Troodon OBD nor LELink Scanner shows ads.
Which is updated more often, Troodon OBD or LELink Scanner?
Troodon OBD ships an update every 3 weeks, and LELink Scanner every 3 months. Most recently, Troodon OBD was updated on September 13, 2026 and LELink Scanner on September 10, 2026.

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