# DashCommand vs JB4 Mobile

The clearest difference is price: DashCommand at $9.99 against JB4 Mobile's $27.99. DashCommand also leads on rating (4.2 vs 3.8) and ratings volume (2.1K vs 239). JB4 Mobile's advantage is in-app purchases (none vs 15) and chart position (#4 vs #32). On review sentiment, update cadence, ads and device support there is nothing between them.

DashCommand costs $9.99 and JB4 Mobile $27.99 up front. DashCommand sells 14 one-off in-app purchases. JB4 Mobile asks for nothing beyond the download.

DashCommand holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: DashCommand has 2.1K ratings behind it against 239, so its average is the more settled of the two. Written reviews complicate that: 48% of DashCommand's written reviews are positive against 52% of JB4 Mobile's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | DashCommand | JB4 Mobile |
| --- | --- | --- |
| Price | **$9.99** | $27.99 |
| Rating | **[4.2 (2.1K ratings)](https://appshunter.io/ios/app/dashcommand-obd-ii-gauges/id321293183/reviews)** | [3.8 (239 ratings)](https://appshunter.io/ios/app/jb4-mobile/id794841332/reviews) |
| Number of ratings | **2.1K** | 239 |
| Positive reviews | 47.6% of reviews | **52.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | #32 | **#4** |
| Size | 49 MB | 24 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Auto Meter Products, Inc.](https://appshunter.io/developer/1051124752) | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) |

## What reviewers say

### DashCommand

[App page](https://appshunter.io/ios/app/dashcommand-obd-ii-gauges/id321293183)

**Currently charting:** #32 Top Paid · Sports (US App Store)

Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.

**Highlights:** Customizable vehicle performance display, Engine and vehicle data logging, Read and clear check engine lights, Professional skidpad for G-force analysis, Race track mapping, Inclinometer for off-roading, Data log playback

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ford 2002 | $9.99 | one-time |
| Ford 2003 | $9.99 | one-time |
| GM 2000 | $9.99 | one-time |
| GM 2001 | $9.99 | one-time |
| Ford 2013 | $9.99 | one-time |
| GM 1998 | $9.99 | one-time |
| Ford 2004 | $9.99 | one-time |
| Ford 2005 | $9.99 | one-time |
| Ford 2006 | $9.99 | one-time |
| GM 2002 | $9.99 | one-time |
| GM 2003 | $9.99 | one-time |
| GM 2004 | $9.99 | one-time |
| GM 2005 | $9.99 | one-time |
| GM 1999 | $9.99 | one-time |

**What reviewers like**

- 🚀 Works great
- 👍 Useful features
- 🔧 Helps diagnose issues
- 💰 Worth the money
- 🔍 Provides lots of data

**What reviewers complain about**

- 🐛 Connection issues
- 🔍 Limited vehicle support
- 🕰️ Outdated app
- 💰 Expensive add-ons
- 🔋 Battery drain

**Reported bugs**

- App crashes or freezes
- Fails to connect to OBD2 adapter
- Incorrect data readings
- Compatibility issues with newer iOS versions
- Expired license/subscription problems

**Requested features**

- CarPlay support
- More customization options
- Automatic vehicle detection
- Improved user interface
- Expanded vehicle compatibility


### JB4 Mobile

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

**Currently charting:** #4 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


## Frequently asked questions

### Is DashCommand free?

DashCommand costs $9.99, and also offers in-app purchases.

### Is JB4 Mobile free?

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

### Which has better reviews, DashCommand or JB4 Mobile?

DashCommand is rated higher. DashCommand averages 4.2 out of 5 from 2.1K ratings, while JB4 Mobile averages 3.8 from 239 ratings.

### Do DashCommand or JB4 Mobile have ads?

Neither DashCommand nor JB4 Mobile shows ads.

### Which is updated more often, DashCommand or JB4 Mobile?

DashCommand ships an update every 3 months, and JB4 Mobile every 3 months. Most recently, DashCommand was updated on September 25, 2026 and JB4 Mobile on September 23, 2026.

### Which is more popular, DashCommand or JB4 Mobile?

DashCommand currently peaks at #32 in the App Store charts, and JB4 Mobile at #4. Chart position reflects recent download velocity rather than total install base.

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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.*