---
title: "JB4 Mobile — App Overview"
url: https://marlvel.ai/intel-report/sports/com-dmacpro91-jb4-mobile
category: Sports
developer: Dmac Mobile Developments, LLC
platforms: ios
rating: 3.8 (239 ratings)
pricing: paid
report_level: overview
generated: 2026-04-19
last_verified: "2026-04-19T02:58:12.252Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers robust tuning and monitoring capabilities, recent user feedback highlights significant stability issues regarding UI freezing and screen lock behavior.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Sports |
| Rating | 3.8 ★ (239) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 3.0.7 |
| Developer | Dmac Mobile Developments, LLC |

<!-- SECTION: Summary -->
## What is JB4 Mobile?

JB4 Mobile is a data logging and monitoring application designed for users of the Burger Motorsports JB4 tuner. The app provides real-time vehicle diagnostics, including boost, RPM, and fuel trim tracking, alongside a modernized UI and enhanced backend integration.

<!-- SECTION: Key Features -->
## Key Features

- **Live Monitoring**: Displays real-time gauges for critical parameters like boost, RPM, fuel trims, and air/fuel ratios.
- **Data Logging and Export**: Records vehicle performance data with built-in CSV viewing and email export capabilities.
- **User Adjustments**: Allows users to modify vehicle settings such as boost and fuel maps directly through the interface.
- **Diagnostic Tools**: Includes functionality for reading and clearing vehicle error codes.

<!-- SECTION: Target Audience -->
## Who is it for?

Automotive enthusiasts and JB4 tuner users seeking real-time performance monitoring and vehicle data management.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/jb4-mobile/id794841332?uo=2)
- [Full Intelligence Report](https://marlvel.ai/intel-report/sports/com-dmacpro91-jb4-mobile)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/sports/com-dmacpro91-jb4-mobile).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*