JB4 PRO vs UAF Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JB4 PRO
Integrate your JB4 performance tuner with your smartphone to adjust maps, view live engine data, record performance logs, and manage fault codes. This free application also allows for firmware updates for compatible JB4 systems.
- Map adjustment
- Live engine data monitoring
- Log recording
- Fault code management
- Firmware updates
Read full descriptionHide full description
Smart phone integration for your JB4 performance tuner to change maps, monitor live engine data, record logs, manage fault codes, update JB4 firmware, and much more! All JB4 systems sold from 2025+ use this new FREE app!
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
Read full descriptionHide full description
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 PRO at 50% against UAF Control's 0%. JB4 PRO also leads on rating (4.4 vs 3.6) and update cadence (every 2 weeks vs every 3 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
JB4 PRO holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 15 and 5 respectively. Written reviews point the same way: 50% of JB4 PRO's written reviews are positive against 0% of UAF Control's.
JB4 PRO ships an update every 2 weeks, UAF Control every 3 months. Both last shipped on November 5, 2026.
| Parameter | JB4 PRO | UAF Control |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (15 ratings) — better | 3.6 (5 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | 5 |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 22 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Burger Motorsports, Inc | Unitronic |
Customer experience
JB4 PRO
UAF Control
In-app purchases
JB4 PRO
No in-app purchases
UAF Control
No in-app purchases







