Comparison

Dr.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

Dr.OBD

Read full description

Dr.OBD is a mobile phone app that do analysis on vehicle diagnostic fault code. It can automatically retrieve the fault codes diagnosed by OBD device via Bluetooth 4.0. Also, it will send notification alert at mobile phone side and auto query each fault code corresponding to the fault description, expert failure analysis and solutions. Meanwhile, it can provide share and print function.

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

Dr.OBD3 screens
LELink Scanner4 screens

Verdict

The call

Dr.OBD and LELink Scanner are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Dr.OBD ships an update every 2 months, LELink Scanner every 3 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

ScorecardNo meaningful differences
Dr.OBD versus LELink Scanner: the parameters behind the verdict, then further details
ParameterDr.OBDLELink Scanner
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size3 MB11 MB
Age rating4+4+
DeveloperShenzhen Leagend Optoelectronics Co., Ltd.K SOLUTION LLC

In-app purchases

None

Dr.OBD

No in-app purchases

None

LELink Scanner

No in-app purchases

Questions

Is Dr.OBD free?
Dr.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 Dr.OBD or LELink Scanner have ads?
Neither Dr.OBD nor LELink Scanner shows ads.
Which is updated more often, Dr.OBD or LELink Scanner?
Dr.OBD ships an update every 2 months, and LELink Scanner every 3 months. Most recently, Dr.OBD was updated on September 22, 2026 and LELink Scanner on September 10, 2026.

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