DashCommand vs JB4 Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DashCommand
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.
- 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
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Transform your iPhone into a customizable display and monitoring system. DashCommand puts you in control - Monitor and data log engine and vehicle performance, fuel economy, and instantly read and clear troublesome check engine lights, all with the easy to use DashCommand app. This app also features a professional skidpad showing lateral and accel/braking Gs with min/max indicators, a race track that visually maps out your location, acceleration and braking as you drive laps around the track, an inclinometer that shows rolling angle and vehicle pitch for off-roading, and the ability to data log, record and playback log files showing OBD-II and acceleration data. DashCommand is a SEMA Show 1st runner-up for best mobile electronics product and four-time SEMA Global Media Award winner! DISCLAIMER: DashCommand requires a compatible third-party hardware interface, purchased separately, to communicate with the vehicle. DashCommand supports all OBD-II and EOBD compliant vehicles sold worldwide. Please verify that your vehicle is OBD-II/EOBD compliant before purchasing! Not all OBD-II compliant vehicles will have support for all of these parameters. Manufacturer-specific data is available for select vehicles, through In-App purchase. OBD-II Hardware compatibility: Auto Meter DashLink, PLX Kiwi 3 and Kiwi 4, OBDLink MX+, ELM compatible WiFi and , GoPoint BT1 Watch a video on DashCommand: https://www.youtube.com/watch?v=y12tbLmf_J0 For suggested hardware, see: http://palmerperformance.com/hardware
JB4 Mobile
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.
- Live gauge monitoring
- Data logging and graphing
- User adjustable settings
- WMI settings modification
- On-the-fly map switching
- Code reading and deletion
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The brand new JB4 Mobile application is finally ready for public release and has lots of great new features including: *Gauge theme customizations *Built-in raw CSV data viewer *Revamped User Adj./WMI data editors *New modern UI completely rewritten from the ground up *More seamless integration with our backend servers JB4 Connect Kit Users: 1) Install the Connect Kit per the installation guide for your vehicle 2) Create your account/sign in with this app 3) Ensure JB4 Mobile has all requested permissions 4) Tap the Connect button in JB4 Mobile About The App: JB4 Mobile is a mobile data logger and display for use with the JB4 tuner from Burger Motorsports. JB4 Mobile allows you to monitor and log multiple parameters from your JB4 equipped car. Parameters such as boost, rpm, fuel trims, air/fuel ratios, ignition advance and much more are available. Current Features: Live gauges Data logging Data graphing Log export via email Code reading/deletion Modify User Adj. (boost, fuel, etc.) settings Modify WMI settings Switch maps on the fly Auto WOT logging JB4 Firmware Updating JB4 ® is a registered trademark of Burger Motorsports Inc ® and is used with written permission.
Screenshots
Verdict
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 (#3 vs #77). On review sentiment, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 22, 2026 and September 23, 2026 respectively.
| Parameter | DashCommand | JB4 Mobile |
|---|---|---|
| Price | $9.99 — better | $27.99 |
| Rating | 4.2 (2.1K ratings) — better | 3.8 (239 ratings) |
| Positive reviews | 47.6% of reviews | 52.4% of reviews — better |
| Number of ratings | 2.1K — better | 239 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #77 | #3 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Auto Meter Products, Inc. | Dmac Mobile Developments, LLC |
Customer experience
DashCommand
JB4 Mobile
User reviews
DashCommand
From 2.1K App Store ratingsWhat we love
- 🚀 Works great
- 👍 Useful features
- 🔧 Helps diagnose issues
- 💰 Worth the money
- 🔍 Provides lots of data
Room to improve
- 🐛 Connection issues
- 🔍 Limited vehicle support
- 🕰️ Outdated app
- 💰 Expensive add-ons
- 🔋 Battery drain
JB4 Mobile
From 239 App Store ratingsWhat we love
- 🚀 Great app and a must have with the JB4
- 🔒 Robust security features
- 👍 Awesome data logging
- 👍 Incredible Support
- 👍 Works as expected
Room to improve
- 🐛 Doesn't work properly, screen upside down and backwards
- 🐛 Stopped working after update
- 🐛 Bluetooth connection issues
- 🐛 Gauges freezing
- 🐛 Screen turns off
Bugs and requests
DashCommand
Reported bugs
5 issues- 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
5 requests- CarPlay support
- More customization options
- Automatic vehicle detection
- Improved user interface
- Expanded vehicle compatibility
JB4 Mobile
Reported bugs
5 issues- App crashes
- Can't connect to server
- Mirrored/inverted display
- Compatibility issues with new iOS versions
- Trouble logging in
Requested features
5 requests- Add CarPlay support
- Allow customizing map names
- Add more gauge styling options
- Improve UI and layout
- Integrate with Apple Carplay
In-app purchases
DashCommand
- Ford 2002$9.99
- Ford 2003$9.99
- GM 2000$9.99
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- GM 2001$9.99
- Ford 2013$9.99
- GM 1998$9.99
- Ford 2004$9.99
- Ford 2005$9.99
- Ford 2006$9.99
- GM 2002$9.99
- GM 2003$9.99
- GM 2004$9.99
- GM 2005$9.99
- GM 1999$9.99
JB4 Mobile
No in-app purchases









