# JB4 PRO vs Dragline

The clearest difference is review sentiment: Dragline at 100% against JB4 PRO's 50%. Dragline also leads on rating (5.0 vs 4.4). JB4 PRO's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (14 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dragline holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews point the same way: 50% of JB4 PRO's written reviews are positive against 100% of Dragline's.

JB4 PRO ships an update fortnightly, Dragline every 6 weeks. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | JB4 PRO | Dragline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (14 ratings)](https://appshunter.io/ios/app/jb4-pro/id6746129072/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dragline/id6760178329/reviews)** |
| Number of ratings | **14** | 4 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 22 MB | 20 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Burger Motorsports, Inc](https://appshunter.io/developer/1815297026) | [SAMARTH SHAH](https://appshunter.io/developer/1882984573) |

## What reviewers say

### JB4 PRO

[App page](https://appshunter.io/ios/app/jb4-pro/id6746129072)

Integrate your performance tuner with your smartphone to adjust engine maps, view real-time data, and manage system settings. This app requires a specific Bluetooth adapter for full functionality.

**Highlights:** Change maps, Monitor live engine data, Record logs, Manage fault codes, Update JB4 firmware, Smartphone integration

**In-app purchases:** none


### Dragline

[App page](https://appshunter.io/ios/app/dragline/id6760178329)

This app automatically detects and times drag racing segments with high precision using GPS and accelerometer data. It allows users to track top speeds, compete on global leaderboards, and share their performance stats.

**Highlights:** Automatic drag racing segment timing, GPS-blended accuracy, Top speed tracking, Real-time roll race mode, Global leaderboards, Personal best tracking, Car build sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is JB4 PRO free?

JB4 PRO is free to download, with no in-app purchases.

### Is Dragline free?

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

### Which has better reviews, JB4 PRO or Dragline?

Dragline is rated higher. JB4 PRO averages 4.4 out of 5 from 14 ratings, while Dragline averages 5.0 from 4 ratings.

### Do JB4 PRO or Dragline have ads?

Neither JB4 PRO nor Dragline shows ads.

### Which is updated more often, JB4 PRO or Dragline?

JB4 PRO ships an update fortnightly, and Dragline every 6 weeks. Most recently, JB4 PRO was updated on October 1, 2026 and Dragline 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.*