# JB4 PRO vs AXV Racing

The clearest difference is update cadence: AXV Racing at every 3 days against JB4 PRO's every 2 weeks. On price, ads, in-app purchases and device support 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 ships an update every 2 weeks, AXV Racing every 3 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | JB4 PRO | AXV Racing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/jb4-pro/id6746129072/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 22 MB | 65 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Burger Motorsports, Inc](https://appshunter.io/developer/1815297026) | [Andres Vasquez Figueroa](https://appshunter.io/developer/6809176502) |

## What reviewers say

### JB4 PRO

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

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.

**Highlights:** Map adjustment, Live engine data monitoring, Log recording, Fault code management, Firmware updates

**In-app purchases:** none


### AXV Racing

[App page](https://appshunter.io/ios/app/axv-racing/id6809176500)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JB4 PRO free?

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

### Is AXV Racing free?

AXV Racing is free to download, with no in-app purchases.

### Do JB4 PRO or AXV Racing have ads?

Neither JB4 PRO nor AXV Racing shows ads.

### Which is updated more often, JB4 PRO or AXV Racing?

JB4 PRO ships an update every 2 weeks, and AXV Racing every 3 days. Most recently, JB4 PRO was updated on November 5, 2026 and AXV Racing on November 10, 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.*