JB4 PRO

Name: JB4 PRO
Rating: 4.42856 (14 reviews)
Author: Burger Motorsports, Inc

Exclusively for the JB4

14 ratings

4 reviews

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Burger Motorsports, Inc

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About

Integrate your performance tuner with your smartphone to adjust engine maps, view real-time data, and manage system settings. This app requires a specific Bluetooth adapter for full functionality.

✓Change maps

✓Monitor live engine data

✓Record logs

✓Manage fault codes

✓Update JB4 firmware

✓Smartphone integration

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What's New in JB4 PRO

1.5.0

July 1, 2026

Minor bug fixes

User reviews

Most Recent Highest Rated Lowest Rated

What are you waiting to develop a CarPlay compatible app??

Hey guys what are you waiting to develop a CarPlay compatible app?? It’s kind of basic to have nowadays those engine values in the screen of the car while you race!

Max BD22cm

2 months ago

BMS doesn’t care - App is garbage

For anything Jeep/Dodge/RAM/Alfa Romeo/Maserati this app is absolute garbage and BMS does not maintain it well. Get ready for limp mode!

Patrick Baginski

6 months ago

Data logging

The app and data logging works great just like the mobile, but I’m on platform 125 (2.5T smartstream kia/hyundai) and for whatever reason when I’m reading a data log, it does not give me the option to enable cylinder one or “ign1” to see timing for cylinder one it’s not even in the options. List to be enabled when reading a data log.

JA_16

7 months ago

Good app, some bugs

Overall this is a great app. It could be easier to identify which firmware profiles you need and how to make changes. Clearing DME codes doesn’t work consistently. And it would be amazing if this could be CarPlay compatible, even just a gauge widget. Allow volunteers to help with Dev!

johntfetter

9 months ago

Developer apps

CANflex

by Burger Motorsports, Inc

🔧 Utilities

Free

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FAQ

What is JB4 PRO?

JB4 PRO is a smartphone application designed to integrate with your JB4 performance tuner. It allows you to control various aspects of your tuner directly from your phone.

What hardware do I need for JB4 PRO?

You will need the JB4 PRO BT adapter to use the JB4 PRO application. It is not compatible with the JB4 Mobile BT adapter.

Can I change engine maps with JB4 PRO?

Yes, JB4 PRO allows you to change maps directly from your smartphone, giving you on-the-fly control over your engine's performance settings.

Does JB4 PRO show live engine data?

Yes, the application provides real-time monitoring of live engine data, allowing you to see critical performance metrics as they happen.

Is JB4 PRO free to download?

Yes, JB4 PRO is available for free download. It requires a specific Bluetooth adapter to function.

How often is JB4 PRO updated?

The latest version of JB4 PRO is 1.5.0, which was last updated on July 1, 2026. Updates ensure continued compatibility and feature enhancements.

What devices support JB4 PRO?

JB4 PRO is supported on iPhones, iPads, and iPods. It is designed for iOS devices.

What is the age rating for JB4 PRO?

JB4 PRO has an age rating of 4+, making it suitable for a wide range of users interested in automotive performance tuning.