JB4 Mobile vs D
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.
D
Control your engine's performance with a connected tuner. Adjust boost levels for fuel efficiency or increased power, choosing from five distinct settings. Monitor real-time and peak boost pressure directly from your smartphone.
- Adjust engine boost levels
- 5 power settings (Valet, Stock, Sport, Sport+, Race)
- Monitor live boost pressure
- Monitor peak boost pressure
- Control engine performance
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*** Requires DINANTronics SPORT Performance Tuner Take full control of your engine's performance with the DINANTronics SPORT Tuner and this app. Turn down your boost for fuel savings or valet parking, or increase it to boost your engine's power output. The control panel allows the user to chose between 5 power settings - 1. Valet 2. Stock 3. Sport 4. Sport+ 5. Race Monitor live boost pressure and peak boost pressure using your phone. "Continued use of GPS running in the background can dramatically decrease battery life."
Screenshots
Verdict
The clearest difference is price: D at Free against JB4 Mobile's $27.99. D also leads on iOS requirement (11.0 vs 15.1). JB4 Mobile's advantage is rating (3.8 vs 1.9) and review sentiment (52% vs 13%). On ratings volume, update cadence, ads and in-app purchases 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
D 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 1.9. Both are backed by a comparable volume of ratings — 239 and 126 respectively. Written reviews point the same way: 52% of JB4 Mobile's written reviews are positive against 13% of D's.
JB4 Mobile ships an update every 3 months, D every 5 months. Both last shipped on October 26, 2026.
| Parameter | JB4 Mobile | D |
|---|---|---|
| Price | $27.99 | Free — better |
| Rating | 3.8 (239 ratings) — better | 1.9 (126 ratings) |
| Positive reviews | 52.4% of reviews — better | 12.5% of reviews |
| Number of ratings | 239 — better | 126 |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #7 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmac Mobile Developments, LLC | Dinan Corp |
Customer experience
JB4 Mobile
D
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
D
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JB4 Mobile
No in-app purchases
D
No in-app purchases
