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JB4 Mobile app for iPhone and iPad

4.2 ( 8672 ratings )
Travel Sports
Developer: Donnie Wittbrodt
27.99 USD
Current version: 2.3.1, last update: 7 months ago
First release : 12 Feb 2014
App size: 36.04 Mb

Note that this app requires a custom Bluetooth Low Energy module and an iOS device that supports Bluetooth Low Energy (iPhone 4S and newer) to operate. Info on the module can be found here:

JB4 Mobile is a mobile data logger and display for use with the JB4 tuner from Burger Motorsports.

JB4 Mobile allows you to monitor multiple parameters of your JB4 equipped car at once. Parameters such as boost psi, rpm, fuel trims, air/fuel ratios, ignition advance, fuel pressure and much more are all available.

Data Monitoring
Data logging
Graphing of logged data
Email saved logs
Read/Delete codes
Modify boost/fuel mapping
Modify nitrous/methanol settings
Download and update JB4 firmware
Multiple gauge designs
G-Force Meter
GPS Speedometer

Demo Mode is available in the settings menu.

JB4 Mobile is not affiliated with Burger Motorsports.

Latest reviews of JB4 Mobile app for iPhone and iPad

Major flaw
Needs security. There is nothing to stop someone else from connecting to your car and changing crucial settings causing damage.
Awesome in every way
Great app
Wish it was included in the cost of the JB4Connect Kit, but anyway, its a great app. Can do all the stuff the burger software on the PC can do plus more. Occasionally the readings glitch, but Im sure Donnie will figure out why and fix it.
Hope next version has other gauge style options and colors %100
Must have app for JB4 users
I really like this app and it works really well for the JB4 Connect Kit. The app should be included in the JB4 Connect Kit, but whatever. My issue with the price doesnt take away from how well this app works and how much easier it has made data logging and monitoring the JB4 for my M4.
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