Comparison

Engine Link vs FIXD OBD2 Scanner

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

Head to head
About

Engine Link

Transform your iPhone into a powerful vehicle diagnostics tool. Monitor real-time performance, read and clear fault codes, and customize your dashboard with detailed sensor data. Supports emission testing and offers a HUD mode for night driving.

Highlights
  • Real-time vehicle monitoring
  • Read and clear OBD fault codes
  • Customizable gauges and dashboards
  • MPG widget and fuel efficiency plotting
  • Heads up display (HUD) mode
  • Horsepower, torque, and acceleration metrics
  • Custom PID support
Features
Read full description

EngineLink will turn your iPhone/iPod into vehicle / car performance / diagnostics tool and scanner that uses an OBD II WIFI adapter or a low Energy Bluetooth adapter (LELink, LELink2, Carista, Viecar) to connect to your OBD2 engine management / ECU. The only iPhone app does custom PID, now supports Torque custom PID file. BENEFITS: * Emission Test. * See what your car is doing in real-time. * Read and clear OBD fault codes. * Display car performance and sensor data. * Customizable gauges, showing only the data you were interested in * Top Ranked Car App * No in-app purchase and No subscription fees! __________________ 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 + Heads up display / HUD mode for night time driving (mirror the display on your vehicle's windshield) + Can read Transmission Temperatures (vehicle dependant) + 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. + Preloaded GM and Ford PID libraries + Preloaded standard PID library and Prius PID libraries . + 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 + Multiframe data support + Background color option + Email user log function (access by long pressing custom PID screen) + Multiple PID formula support + 0 to 60mph timer and quarter mile timer __________________ EngineLink 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. The app needs an ELM compatible Bluetooth Low Energy (for iPhone4s and later) or Wi-Fi adapter to work. You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html *** If you have Bluetooth OBD adaptor, please contact support@ksolution.org for instruction before you purchase this app. Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.

About

FIXD OBD2 Scanner

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Highlights
  • Translate check engine light codes
  • Understand issue severity
  • Maintenance reminders
  • Issue forecasting
  • Emissions pre-check
  • Mechanic hotline access
Features
Read full description

FIXD makes car care simple and stress-free by translating your car's issues into easy-to-understand language. If your check engine light comes on, FIXD helps you understand the severity of the problem, the potential consequences of continued driving, and what steps you need to take next. Plus, FIXD keeps track of maintenance reminders to help you keep your vehicle running smoothly. With FIXD Premium, you get access to advanced data and deeper insights into your car's health. Unlock features like Issue Forecast to predict potential problems before they happen, Emissions Pre-Check to help you pass your next emissions test, access to our Certified FIXD Mechanic Hotline for help with any car-related questions, and Vehicle History to view the incident and sale history of your vehicle. FIXD Premium helps you stay one step ahead, ensuring your car is always in top shape. All this and more for just $12.99/month or $99.99/year. FIXD Premium is available as an in-app purchase. After your free trial, your iTunes account will be charged, and the subscription will automatically renew (at the original price) unless canceled at least 24 hours before the end of the current period. You can manage your subscription in your iTunes account settings. Please note that any unused portion of a free trial will be forfeited upon purchasing a subscription. https://www.fixdapp.com/terms-of-service https://www.fixdapp.com/fixd-privacy-policy

Screenshots

Engine Link4 screens
FIXD OBD2 Scanner4 screens

Verdict

The call

The clearest difference is price: FIXD OBD2 Scanner at Free against Engine Link's $5.99. FIXD OBD2 Scanner also leads on rating (4.6 vs 2.9) and update cadence (weekly vs every 2 months). Engine Link's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 18.0). On ads 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

FIXD OBD2 Scanner is free to download; Engine Link costs $5.99 up front. FIXD OBD2 Scanner sells 3 in-app purchases, starting at $7.99 per 7 days. Engine Link asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FIXD OBD2 Scanner holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: FIXD OBD2 Scanner has 26K ratings behind it against 62, so its average is the more settled of the two. Written reviews point the same way: 38% of Engine Link's written reviews are positive against 60% of FIXD OBD2 Scanner's.

UpkeepUpdate frequency

Engine Link ships an update every 2 months, FIXD OBD2 Scanner weekly. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

Scorecard9 real differences · 2 level
Engine Link versus FIXD OBD2 Scanner: the parameters behind the verdict, then further details
ParameterEngine LinkFIXD OBD2 Scanner
Price$5.99Free — better
Rating2.9 (62 ratings)4.6 (26K ratings) — better
Positive reviews38.2% of reviews59.8% of reviews — better
Number of ratings6226K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#40 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size10 MB57 MB
Age rating4+4+
DeveloperK SOLUTION LLCFIXD Automotive Inc

Customer experience

Engine Link

All ratings62 ratings
Positive45.2%
Neutral6.5%
Negative48.4%
Written reviews204 reviews
Positive38.2%
Neutral9.8%
Negative52.0%

FIXD OBD2 Scanner

All ratings25,773 ratings
Positive91.8%
Neutral3.0%
Negative5.2%
Written reviews838 reviews
Positive59.8%
Neutral4.9%
Negative35.3%

User reviews

Engine Link

From 62 App Store ratings

What we love

  • 🚀 Works as expected
  • 👍 Flexible and customizable
  • 💡 Supports custom PIDs
  • 🚀 Reliable connection
  • 👍 Good customer support

Room to improve

  • 🐛 Doesn't work with all OBD dongles
  • 🐛 Compatibility issues with newer iOS versions
  • 👎 Outdated and clunky interface
  • 👎 Limited functionality for EVs
  • 🐛 Connectivity problems

FIXD OBD2 Scanner

From 26K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quickly identifies problems
  • 💰 Saves money on mechanics
  • 🔍 Provides detailed diagnostic information
  • ⚙️ Helpful for DIY maintenance

Room to improve

  • 🔒 Requires subscription for full functionality
  • 💰 Expensive premium subscription
  • 🤖 Inconsistent performance across vehicles
  • 🔌 Connectivity issues with device
  • 🤷‍♀️ Limited functionality without subscription

Bugs and requests

Engine Link

Reported bugs

4 issues
  • App crashes on connection
  • Fails to read/clear error codes
  • Inaccurate sensor readings
  • Compatibility issues with certain OBD dongles

Requested features

5 requests
  • Add support for more vehicle types
  • Improve user interface and customization options
  • Add more PID support, especially for EVs
  • Implement language localization
  • Improve data logging and export capabilities

FIXD OBD2 Scanner

Reported bugs

4 issues
  • Fails to detect certain error codes
  • Inconsistent Bluetooth pairing
  • Subscription charges without user consent
  • Inability to cancel subscription through app

Requested features

5 requests
  • Ability to manually input maintenance records
  • Clearer indication of subscription requirements
  • Support for more vehicle makes and models
  • Improved diagnostic capabilities for advanced issues
  • Option to disable subscription upsells

In-app purchases

None

Engine Link

No in-app purchases

3 purchases

FIXD OBD2 Scanner

Subscriptions3
  • Weekly FIXD Premium$7.997 Days
  • Monthly FIXD Premium7 Days trial$12.991 Month
  • Yearly FIXD Premium7 Days trial$99.991 Year

Questions

Is Engine Link free?
Engine Link costs $5.99, with no in-app purchases.
Is FIXD OBD2 Scanner free?
FIXD OBD2 Scanner is free to download, with in-app purchases available.
Which has better reviews, Engine Link or FIXD OBD2 Scanner?
FIXD OBD2 Scanner is rated higher. Engine Link averages 2.9 out of 5 from 62 ratings, while FIXD OBD2 Scanner averages 4.6 from 26K ratings.
Do Engine Link or FIXD OBD2 Scanner have ads?
Neither Engine Link nor FIXD OBD2 Scanner shows ads.
Which is updated more often, Engine Link or FIXD OBD2 Scanner?
Engine Link ships an update every 2 months, and FIXD OBD2 Scanner weekly. Most recently, Engine Link was updated on September 21, 2026 and FIXD OBD2 Scanner on September 24, 2026.

Other comparisons