# Diesel Decoder vs Colfax

The clearest difference is in-app purchases: Colfax at none against Diesel Decoder's 1. Colfax also leads on iOS requirement (12.0 vs 15.6). Diesel Decoder's advantage is chart position (#178 vs unranked) and device support. On price there is nothing between them.

Both are free to download. Diesel Decoder sells 1 in-app purchase, starting at $29.99 per month. Colfax asks for nothing beyond the download.

## The numbers

| Metric | Diesel Decoder | Colfax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (30 ratings)](https://appshunter.io/ios/app/diesel-decoder/id1529808675/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#178** | — |
| Size | 43 MB | 13 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Diesel Laptops LLC](https://appshunter.io/developer/1345401052) | [Met Syson](https://appshunter.io/developer/739287941) |

## What reviewers say

### Diesel Decoder

[App page](https://appshunter.io/ios/app/diesel-decoder/id1529808675)

**Currently charting:** #178 Top Grossing · Reference (US App Store)

This tool connects via Bluetooth to heavy commercial vehicles to read and clear diagnostic trouble codes. It displays live data, allows bi-directional commands, and generates shareable reports through a cloud platform. Requires dedicated hardware for operation.

**Highlights:** Read/clear Diagnostic Trouble Codes (DTCs), View live data parameters, Run bi-directional commands, Generate local and cloud reports, Share reports via Diesel Health Platform, Requires Diesel Decoder hardware

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decoder Professional Monthly | $29.99 | per month |


### Colfax

[App page](https://appshunter.io/ios/app/colfax/id6472438015)

**In-app purchases:** none


## Frequently asked questions

### Is Diesel Decoder free?

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

### Is Colfax free?

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

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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.*