# JB4 Mobile vs M Performance Sound Player

The clearest difference is price: M Performance Sound Player at Free against JB4 Mobile's $27.99. M Performance Sound Player also leads on rating (4.3 vs 3.8) and review sentiment (79% vs 52%). JB4 Mobile's advantage is update cadence (every 3 months vs every 10 months) and ratings volume (239 vs 22). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

M Performance Sound Player holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: JB4 Mobile has 239 ratings behind it against 22, 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 79% of M Performance Sound Player's.

JB4 Mobile ships an update every 3 months, M Performance Sound Player every 10 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | JB4 Mobile | M Performance Sound Player |
| --- | --- | --- |
| Price | $27.99 | **Free** |
| Rating | [3.8 (239 ratings)](https://appshunter.io/ios/app/jb4-mobile/id794841332/reviews) | **[4.3 (22 ratings)](https://appshunter.io/ios/app/m-performance-sound-player/id1040898045/reviews)** |
| Number of ratings | **239** | 22 |
| Positive reviews | 52.4% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Free | Free |
| Best chart rank | **#7** | — |
| Size | 24 MB | 99 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [INATRONIC](https://appshunter.io/developer/675718682) |

## What reviewers say

### JB4 Mobile

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

**Currently charting:** #7 Top Paid · Sports, #115 Top Paid, #190 Top Grossing · 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


### M Performance Sound Player

[App page](https://appshunter.io/ios/app/m-performance-sound-player/id1040898045)

Experience the authentic sound of M Performance Sport Exhaust systems on your mobile device. Compare high-quality exhaust sounds in real-time with stock systems and explore a catalog of new exhaust sound files.

**Highlights:** HQ SoundFiles, PowerDrive engine sound simulation, Real Time Comparison, Product Catalog for sound files

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

**In-app purchases:** none


## Frequently asked questions

### Is JB4 Mobile free?

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

### Is M Performance Sound Player free?

M Performance Sound Player is free to download, with no in-app purchases.

### Which has better reviews, JB4 Mobile or M Performance Sound Player?

M Performance Sound Player is rated higher. JB4 Mobile averages 3.8 out of 5 from 239 ratings, while M Performance Sound Player averages 4.3 from 22 ratings.

### Do JB4 Mobile or M Performance Sound Player have ads?

Neither JB4 Mobile nor M Performance Sound Player shows ads.

### Which is updated more often, JB4 Mobile or M Performance Sound Player?

JB4 Mobile ships an update every 3 months, and M Performance Sound Player every 10 months. Most recently, JB4 Mobile was updated on October 15, 2026 and M Performance Sound Player on October 16, 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.*