JB4 Mobile vs Engine Link LE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JB4 Mobile
This app acts as a mobile data logger and display for vehicles equipped with a JB4 tuner. It allows users to monitor and log various engine parameters, view data in real-time, and adjust settings for performance tuning.
- Live gauge monitoring
- Data logging and graphing
- User adjustable settings
- WMI settings modification
- On-the-fly map switching
- Code reading and deletion
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The brand new JB4 Mobile application is finally ready for public release and has lots of great new features including: *Gauge theme customizations *Built-in raw CSV data viewer *Revamped User Adj./WMI data editors *New modern UI completely rewritten from the ground up *More seamless integration with our backend servers JB4 Connect Kit Users: 1) Install the Connect Kit per the installation guide for your vehicle 2) Create your account/sign in with this app 3) Ensure JB4 Mobile has all requested permissions 4) Tap the Connect button in JB4 Mobile About The App: JB4 Mobile is a mobile data logger and display for use with the JB4 tuner from Burger Motorsports. JB4 Mobile allows you to monitor and log multiple parameters from your JB4 equipped car. Parameters such as boost, rpm, fuel trims, air/fuel ratios, ignition advance and much more are available. Current Features: Live gauges Data logging Data graphing Log export via email Code reading/deletion Modify User Adj. (boost, fuel, etc.) settings Modify WMI settings Switch maps on the fly Auto WOT logging JB4 Firmware Updating JB4 ® is a registered trademark of Burger Motorsports Inc ® and is used with written permission.
Engine Link LE
Transform your iPhone into a vehicle diagnostics tool. Monitor real-time performance, read and clear fault codes, and customize gauges to display the data you need. Requires a LELink adapter for OBD2 connection.
- Real-time vehicle data display
- Read and clear OBD fault codes
- Customizable gauges and dashboard
- MPG widget and fuel efficiency tracking
- Heads-up display (HUD) mode
- Horsepower, torque, and acceleration metrics
- Support for various OBD-II/EOBD vehicles
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EngineLink LE will turn your iPhone/iPod into vehicle / car performance / diagnostics tool and scanner that uses a LELink (low Energy Bluetooth) adapter to connect to your OBD2 engine management / ECU. 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 * 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 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. + 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 LELink or LELink2 (Bluetooth Low Energy) to work. The following iOS devices supports Bluetooth Low Energy BLE 4.0 and will work with LELink: iPhone 4s or later iPad (3rd generation) or later iPad mini or later iPod touch (5th generation) or later. You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.
Screenshots
Verdict
The clearest difference is price: Engine Link LE at Free against JB4 Mobile's $27.99. Engine Link LE also leads on iOS requirement (12.0 vs 15.1). JB4 Mobile's advantage is rating (3.8 vs 3.2) and ratings volume (239 vs 12). On review sentiment, ads, in-app purchases and monetization model 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
Engine Link LE is free to download; JB4 Mobile costs $27.99 up front. Neither carries in-app purchases, so what you see is what you pay.
JB4 Mobile holds the better App Store score, 3.8 against 3.2. That said, the two scores are not equally well evidenced: JB4 Mobile has 239 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 52% of JB4 Mobile's written reviews are positive against 46% of Engine Link LE's.
JB4 Mobile ships an update every 3 months, Engine Link LE every 6 months. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.
| Parameter | JB4 Mobile | Engine Link LE |
|---|---|---|
| Price | $27.99 | Free — better |
| Rating | 3.8 (239 ratings) — better | 3.2 (12 ratings) |
| Positive reviews | 52.4% of reviews — better | 46.2% of reviews |
| Number of ratings | 239 — better | 12 |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #8 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmac Mobile Developments, LLC | K SOLUTION LLC |
Customer experience
JB4 Mobile
Engine Link LE
Bugs and requests
JB4 Mobile
Reported bugs
5 issues- App crashes
- Can't connect to server
- Mirrored/inverted display
- Compatibility issues with new iOS versions
- Trouble logging in
Requested features
5 requests- Add CarPlay support
- Allow customizing map names
- Add more gauge styling options
- Improve UI and layout
- Integrate with Apple Carplay
Engine Link LE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JB4 Mobile
No in-app purchases
Engine Link LE
No in-app purchases
Questions
Is JB4 Mobile free?
Is Engine Link LE free?
Which has better reviews, JB4 Mobile or Engine Link LE?
Do JB4 Mobile or Engine Link LE have ads?
Which is updated more often, JB4 Mobile or Engine Link LE?
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