# Diesel Decoder vs VIN Number Check and Decoder

The clearest difference is review sentiment: VIN Number Check and Decoder at 80% against Diesel Decoder's 27%. VIN Number Check and Decoder also leads on in-app purchases (none vs 1) and update cadence (every 5 days vs every 3 months). Diesel Decoder's advantage is ads (none vs shown) and chart position (#170 vs unranked). On price, device support and iOS requirement there is nothing between them.

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

Diesel Decoder ships an update every 3 months, VIN Number Check and Decoder every 5 days. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Diesel Decoder | VIN Number Check and Decoder |
| --- | --- | --- |
| 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 | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#170** | — |
| Size | 43 MB | 93 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diesel Laptops LLC](https://appshunter.io/developer/1345401052) | [Asrar Amin](https://appshunter.io/developer/1212200524) |

## What reviewers say

### Diesel Decoder

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

**Currently charting:** #170 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 |


### VIN Number Check and Decoder

[App page](https://appshunter.io/ios/app/vin-number-check-and-decoder/id6453521662)

Decode vehicle identification numbers to access crucial car history and details. Instantly retrieve information on specs, market value, and past records to make informed decisions about used cars.

**Highlights:** VIN decoding, Car history reports, Vehicle specs, Market value assessment, Recall information, VIN scanning via camera

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

**In-app purchases:** none


## Frequently asked questions

### Is Diesel Decoder free?

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

### Is VIN Number Check and Decoder free?

VIN Number Check and Decoder is free to download, with no in-app purchases.

### Do Diesel Decoder or VIN Number Check and Decoder have ads?

VIN Number Check and Decoder shows ads; Diesel Decoder does not.

### Which is updated more often, Diesel Decoder or VIN Number Check and Decoder?

Diesel Decoder ships an update every 3 months, and VIN Number Check and Decoder every 5 days. Most recently, Diesel Decoder was updated on September 22, 2026 and VIN Number Check and Decoder on September 25, 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.*