JB4 Mobile vs UAF Control
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.
UAF Control
Wirelessly adjust advanced features of your vehicle's ECU tuning software. Customize launch control, exhaust flap behavior, and exhaust overrun sound for a personalized driving experience. Requires specific hardware and tuned ECU software.
- Adjust launch control RPM and boost
- Customize exhaust flap behavior by drive mode
- Personalize exhaust overrun sound duration and intensity
- Wireless on-the-fly adjustments
- Requires custom Bluetooth module and tuned ECU software
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Unitronic's Advanced Features (UAF) Control allows you to wirelessly adjust Advanced Features within Unitronic's ECU Performance Software on-the-fly, allowing you to totally customize your tuning experience. From adjusting standing and rolling launch control RPM and boost pressure setpoints, to customizing exhaust flap behaviors by drive mode, as well as giving you the ability to adjust exhaust overrun sound duration and intensity, UAF Control gives you the ability to personalize your vehicle like never before! NOTE: This app requires a custom Bluetooth module (Unitronic UniFLEX or FEATURE BOX) to allow for wireless control of Advanced Features. This app requires customized ECU Performance Software calibrated to add Unitronic Advanced Features (UAF) as well.
Screenshots
Verdict
The clearest difference is review sentiment: JB4 Mobile at 52% against UAF Control's 0%. JB4 Mobile also leads on rating (3.8 vs 3.3) and ratings volume (239 vs 4). UAF Control's advantage is price (Free vs $27.99). On update cadence, 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
UAF Control 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 3.3. That said, the two scores are not equally well evidenced: JB4 Mobile has 239 ratings behind it against 4, 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 0% of UAF Control's.
JB4 Mobile ships an update every 3 months, UAF Control every 2 months. The most recent releases landed on September 28, 2026 and June 23, 2026 respectively.
| Parameter | JB4 Mobile | UAF Control |
|---|---|---|
| Price | $27.99 | Free — better |
| Rating | 3.8 (239 ratings) — better | 3.3 (4 ratings) |
| Positive reviews | 52.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 239 — better | 4 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #8 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 24 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmac Mobile Developments, LLC | Corporation Unitronic Inc |
Customer experience
JB4 Mobile
UAF Control
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
UAF Control
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JB4 Mobile
No in-app purchases
UAF Control
No in-app purchases
