United StatesNote 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: https://www.jb4tech.com/forum/model-specific-engine-tuning-modification-discussion/jb4-mobile/1192- 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. Features: 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 ® is a registered trademark of Burger Motorsports Inc ® and is used with written permission.
iPhone 15
Can you please edit the app for compatibility with iPhone 15/15 Pro? It’s difficult to, for example, see the top menu bar in the edit area for the different displays. Thank you!
United StatesApp function
I recently purchased this and for a product you can diy; it sure doesn’t come with a lot of information for the user. I went into a bio settings and it was just a bunch of stuff I don’t understand. Would be nice if I didn’t have to google all this information. Also, the app inverted and wouldn’t change back to the original position. Some help would be greatly appreciated.
United StatesApp doesn’t work on my iPhone 13
The app isn’t working on my phone but works for my android
United StatesNeeds an update
App cost $28 but hasnt been updated in a year. Burger motorsports is such a great company, with an insane amount of JB4s sold and installed today. Please make updates to the app, my biggest issue is the constantly disconnecting from my bluetooth.
United StatesWaste of money & support is useless
Don’t waste your time or money
United StatesMost of the time
I’ve been an advocate for the company for many years. Great products. The only issue with the app sometimes the gauges will freeze whether on Bluetooth or OTG connection. I mean it does work most of the time. As intended.
United StatesCould be so much better.
Very buggy. The email only support is very frustrating. I also highly recommend not purchasing the methanol kit until they can get lines that don’t leak and fill the trunk up with deadly and expensive methanol. The gains are good but I like peace of mind. I used to be an advocate for jb4 but with all the money they are making I don’t see it being applied to research and development.
United States
Apr 19, 2024
Apr 18, 2024
Apr 17, 2024
Minor bug fixes.
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