# JB4 Mobile vs EVP Codeshooter

The clearest difference is price: EVP Codeshooter at Free against JB4 Mobile's $27.99. EVP Codeshooter also leads on rating (4.4 vs 3.8) and update cadence (every 3 weeks vs every 3 months). JB4 Mobile's advantage is ratings volume (239 vs 12) and chart position (#5 vs unranked). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

EVP Codeshooter is free to download; JB4 Mobile costs $27.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EVP Codeshooter holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: JB4 Mobile has 239 ratings behind it against 12, 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 60% of EVP Codeshooter's.

JB4 Mobile ships an update every 3 months, EVP Codeshooter every 3 weeks. The most recent releases landed on September 23, 2026 and June 25, 2026 respectively.

## The numbers

| Metric | JB4 Mobile | EVP Codeshooter |
| --- | --- | --- |
| Price | $27.99 | **Free** |
| Rating | [3.8 (239 ratings)](https://appshunter.io/ios/app/jb4-mobile/id794841332/reviews) | **[4.4 (12 ratings)](https://appshunter.io/ios/app/evp-codeshooter/id1522203886/reviews)** |
| Number of ratings | **239** | 12 |
| Positive reviews | 52.4% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | **#5** | — |
| Size | 24 MB | 62 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [EDS-Fahrzeugtechnik](https://appshunter.io/developer/1522203888) |

## What reviewers say

### JB4 Mobile

[App page](https://appshunter.io/ios/app/jb4-mobile/id794841332)

**Currently charting:** #5 Top Paid · Sports (US App Store)

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.

**Highlights:** Live gauge monitoring, Data logging and graphing, User adjustable settings, WMI settings modification, On-the-fly map switching, Code reading and deletion

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app and a must have with the JB4
- 🔒 Robust security features
- 👍 Awesome data logging
- 👍 Incredible Support
- 👍 Works as expected

**What reviewers complain about**

- 🐛 Doesn't work properly, screen upside down and backwards
- 🐛 Stopped working after update
- 🐛 Bluetooth connection issues
- 🐛 Gauges freezing
- 🐛 Screen turns off

**Reported bugs**

- App crashes
- Can't connect to server
- Mirrored/inverted display
- Compatibility issues with new iOS versions
- Trouble logging in

**Requested features**

- Add CarPlay support
- Allow customizing map names
- Add more gauge styling options
- Improve UI and layout
- Integrate with Apple Carplay


### EVP Codeshooter

[App page](https://appshunter.io/ios/app/evp-codeshooter/id1522203886)

This tool enables wireless communication with a vehicle's ECU for programming and diagnostics. It allows users to efficiently tune their car's engine control unit directly from their mobile device.

**Highlights:** Wireless ECU programming, Diagnostic tool, Vehicle ECU communication, Efficient tuning, App-based control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JB4 Mobile free?

JB4 Mobile costs $27.99, with no in-app purchases.

### Is EVP Codeshooter free?

EVP Codeshooter is free to download, with no in-app purchases.

### Which has better reviews, JB4 Mobile or EVP Codeshooter?

EVP Codeshooter is rated higher. JB4 Mobile averages 3.8 out of 5 from 239 ratings, while EVP Codeshooter averages 4.4 from 12 ratings.

### Do JB4 Mobile or EVP Codeshooter have ads?

Neither JB4 Mobile nor EVP Codeshooter shows ads.

### Which is updated more often, JB4 Mobile or EVP Codeshooter?

JB4 Mobile ships an update every 3 months, and EVP Codeshooter every 3 weeks. Most recently, JB4 Mobile was updated on September 23, 2026 and EVP Codeshooter on June 25, 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.*