# GT06PRO vs J1939OBD

The clearest difference is price: J1939OBD at Free against GT06PRO's $5.99. GT06PRO's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

J1939OBD is free to download; GT06PRO costs $5.99 up front. J1939OBD sells 1 one-off in-app purchase. GT06PRO asks for nothing beyond the download.

GT06PRO ships an update every 31 months, J1939OBD every 41 months. The most recent releases landed on September 17, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | GT06PRO | J1939OBD |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 31 months** | Every 41 months |
| Monetization | Paid | — |
| Size | 14 MB | 14 MB |
| Requires iOS | 12.4 | **12.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Faria](https://appshunter.io/developer/1403001682) | [S.Koepge](https://appshunter.io/developer/340731168) |

## What reviewers say

### GT06PRO

[App page](https://appshunter.io/ios/app/gt06pro/id1403633256)

This app acts as a command facilitator for various vehicle tracking devices. It allows for quick vehicle registration and provides real-time location, locking/unlocking, and anchoring features. The PRO version offers unlimited registrations and an ad-free experience.

**Highlights:** Vehicle command facilitation, Unlimited vehicle registration (PRO), Real-time location tracking, Lock and unlock vehicle, Vehicle anchoring alerts, ACC on/off status

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

**In-app purchases:** none


### J1939OBD

[App page](https://appshunter.io/ios/app/j1939obd/id1453435912)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get full access for 1939OBD | $3.99 | one-time |


## Frequently asked questions

### Is GT06PRO free?

GT06PRO costs $5.99, with no in-app purchases.

### Is J1939OBD free?

J1939OBD is free to download, with in-app purchases available.

### Do GT06PRO or J1939OBD have ads?

Neither GT06PRO nor J1939OBD shows ads.

### Which is updated more often, GT06PRO or J1939OBD?

GT06PRO ships an update every 31 months, and J1939OBD every 41 months. Most recently, GT06PRO was updated on September 17, 2026 and J1939OBD on May 17, 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.*