# JB4 Mobile vs dragy Connect

The clearest difference is price: dragy Connect at Free against JB4 Mobile's $27.99. dragy Connect also leads on update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 15.1). JB4 Mobile's advantage is rating (3.8 vs 2.5) and review sentiment (52% vs 23%). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

JB4 Mobile holds the better App Store score, 3.8 against 2.5. That said, the two scores are not equally well evidenced: JB4 Mobile has 239 ratings behind it against 8, 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 23% of dragy Connect's.

JB4 Mobile ships an update every 3 months, dragy Connect monthly. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | JB4 Mobile | dragy Connect |
| --- | --- | --- |
| Price | $27.99 | **Free** |
| Rating | **[3.8 (239 ratings)](https://appshunter.io/ios/app/jb4-mobile/id794841332/reviews)** | [2.5 (8 ratings)](https://appshunter.io/ios/app/dragy-connect/id1260905448/reviews) |
| Number of ratings | **239** | 8 |
| Positive reviews | **52.4% of reviews** | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Best chart rank | **#4** | — |
| Size | 24 MB | 71 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [Harbin Qirui Technology Company With Limited Liability.](https://appshunter.io/developer/1260905447) |

## What reviewers say

### 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


### dragy Connect

[App page](https://appshunter.io/ios/app/dragy-connect/id1260905448)

This GPS-based performance meter allows users to track various acceleration metrics like 0-60mph and 1/4 mile times. It enables sharing performance data on leaderboards and videos with real-time overlays. A dedicated hardware device is required for testing.

**Highlights:** Track 0-60mph, 1/4 mile, and more, GPS-based performance measurement, Share results on leaderboards, Create videos with real-time data, Requires dedicated dragy device

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate measurements
- 👍 Easy to use
- 🚀 Compact and lightweight device
- 🚀 Great performance tracking tool

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🐛 Connectivity issues (no internet connection)
- 🐛 Leaderboard and data upload problems
- 🔇 Annoying voice announcements
- 🔋 Inconsistent satellite connection

**Reported bugs**

- App crashes when trying to access leaderboards
- Inability to log in or create an account
- Inconsistent gradient measurements
- Video recording feature not working properly
- Saved data/times disappearing or not syncing

**Requested features**

- Add search and filtering options for leaderboards
- Improve video recording and export functionality
- Implement support for multiple vehicles
- Add option to disable voice announcements
- Provide data export capabilities (CSV, etc.)


## Frequently asked questions

### Is JB4 Mobile free?

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

### Is dragy Connect free?

dragy Connect is free to download, with no in-app purchases.

### Which has better reviews, JB4 Mobile or dragy Connect?

JB4 Mobile is rated higher. JB4 Mobile averages 3.8 out of 5 from 239 ratings, while dragy Connect averages 2.5 from 8 ratings.

### Do JB4 Mobile or dragy Connect have ads?

Neither JB4 Mobile nor dragy Connect shows ads.

### Which is updated more often, JB4 Mobile or dragy Connect?

JB4 Mobile ships an update every 3 months, and dragy Connect monthly. Most recently, JB4 Mobile was updated on September 23, 2026 and dragy Connect on September 24, 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.*