# J1939OBD vs Tracar Smart Tracking

The clearest difference is in-app purchases: Tracar Smart Tracking at none against J1939OBD's 1. J1939OBD's advantage is iOS requirement (12.1 vs 14.1). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | J1939OBD | Tracar Smart Tracking |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | — |
| Monetization | Free | — |
| Size | 14 MB | 48 MB |
| Requires iOS | **12.1** | 14.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [S.Koepge](https://appshunter.io/developer/340731168) | [Leoworx Ortungssysteme GmbH](https://appshunter.io/developer/365685044) |

## What reviewers say

### J1939OBD

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

This diagnostic app connects to industrial and commercial vehicle engines via the J1939 CAN protocol. It allows users to view and clear error codes, monitor engine performance metrics, and access information on DPF and SCR systems. Requires a compatible WiFi OBD interface and connection cable.

**Highlights:** Display active and passive error codes, Delete error codes, Display engine measured values, DPF and SCR system status, Fuel consumption information, Engine information, Terminal mode

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

**In-app purchases (1)**

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


### Tracar Smart Tracking

[App page](https://appshunter.io/ios/app/tracar-smart-tracking/id1488904964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is J1939OBD free?

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

### Is Tracar Smart Tracking free?

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

### Do J1939OBD or Tracar Smart Tracking have ads?

Neither J1939OBD nor Tracar Smart Tracking shows ads.

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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.*