# JB4 PRO vs UAF Control

The clearest difference is review sentiment: JB4 PRO at 50% against UAF Control's 0%. JB4 PRO also leads on rating (4.4 vs 3.3) and update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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 3.3. Both are backed by a comparable volume of ratings — 14 and 4 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 fortnightly, UAF Control every 2 months. The most recent releases landed on September 13, 2026 and June 23, 2026 respectively.

## The numbers

| Metric | JB4 PRO | UAF Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/jb4-pro/id6746129072/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/uaf-control/id6751061049/reviews) |
| Number of ratings | **14** | 4 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 22 MB | 28 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Burger Motorsports, Inc](https://appshunter.io/developer/1815297026) | [Corporation Unitronic Inc](https://appshunter.io/developer/1693388679) |

## What reviewers say

### JB4 PRO

[App page](https://appshunter.io/ios/app/jb4-pro/id6746129072)

Integrate your performance tuner with your smartphone to adjust engine maps, view real-time data, and manage system settings. This app requires a specific Bluetooth adapter for full functionality.

**Highlights:** Change maps, Monitor live engine data, Record logs, Manage fault codes, Update JB4 firmware, Smartphone integration

**In-app purchases:** none


### UAF Control

[App page](https://appshunter.io/ios/app/uaf-control/id6751061049)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JB4 PRO free?

JB4 PRO is free to download, with no in-app purchases.

### Is UAF Control free?

UAF Control is free to download, with no in-app purchases.

### Which has better reviews, JB4 PRO or UAF Control?

JB4 PRO is rated higher. JB4 PRO averages 4.4 out of 5 from 14 ratings, while UAF Control averages 3.3 from 4 ratings.

### Do JB4 PRO or UAF Control have ads?

Neither JB4 PRO nor UAF Control shows ads.

### Which is updated more often, JB4 PRO or UAF Control?

JB4 PRO ships an update fortnightly, and UAF Control every 2 months. Most recently, JB4 PRO was updated on September 13, 2026 and UAF Control on June 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*