# J1939OBD vs Rooster Tracking

The clearest difference is in-app purchases: Rooster Tracking at none against J1939OBD's 1. Rooster Tracking also leads on update cadence (fortnightly vs every 41 months). J1939OBD's advantage is iOS requirement (12.1 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. J1939OBD sells 1 one-off in-app purchase. Rooster Tracking asks for nothing beyond the download.

J1939OBD ships an update every 41 months, Rooster Tracking fortnightly. The most recent releases landed on September 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | J1939OBD | Rooster Tracking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/rooster-tracking/id6479798864/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 14 MB | 40 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [S.Koepge](https://appshunter.io/developer/340731168) | [Rooster LLC](https://appshunter.io/developer/1556754156) |

## What reviewers say

### 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 |


### Rooster Tracking

[App page](https://appshunter.io/ios/app/rooster-tracking/id6479798864)

This app allows users to automatically track their equipment and small tools. It enables activation and deactivation of specialized hubs and trackers for efficient reporting.

**Highlights:** Automatic equipment reporting, Track small tools, Activate Rooster Hubs, Deactivate Rooster Trackers, Real-time equipment status

**In-app purchases:** none


## Frequently asked questions

### Is J1939OBD free?

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

### Is Rooster Tracking free?

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

### Do J1939OBD or Rooster Tracking have ads?

Neither J1939OBD nor Rooster Tracking shows ads.

### Which is updated more often, J1939OBD or Rooster Tracking?

J1939OBD ships an update every 41 months, and Rooster Tracking fortnightly. Most recently, J1939OBD was updated on September 18, 2026 and Rooster Tracking on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*