# Fuel vs SpecScan VIN Decoder

The clearest difference is rating: SpecScan VIN Decoder at 5.0 against Fuel's 3.1. SpecScan VIN Decoder also leads on update cadence (every 5 days vs every 10 months). Fuel's advantage is in-app purchases (none vs 3) and ratings volume (33 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. SpecScan VIN Decoder sells 3 in-app purchases, starting at $19.99 per month. Fuel asks for nothing beyond the download.

SpecScan VIN Decoder holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Fuel has 33 ratings behind it against 1, so its average is the more settled of the two.

Fuel ships an update every 10 months, SpecScan VIN Decoder every 5 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Fuel | SpecScan VIN Decoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (33 ratings)](https://appshunter.io/ios/app/fuel-it-eca/id1004246767/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/specscan-vin-decoder/id6800496761/reviews)** |
| Number of ratings | **33** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 20 MB | 42 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [SpecScan LLC](https://appshunter.io/developer/6800497213) |

## What reviewers say

### Fuel

[App page](https://appshunter.io/ios/app/fuel-it-eca/id1004246767)

Monitor your vehicle's ethanol concentration and fuel temperature in real-time. This app wirelessly connects to a compatible Bluetooth module, freeing up your device's port for simultaneous charging and monitoring. It includes an ethanol fill-up concentration calculator and customizable display views.

**Highlights:** Real-time ethanol concentration monitoring, Real-time fuel temperature monitoring, Wireless Bluetooth connectivity, Ethanol fill-up concentration calculator, Fahrenheit or Celsius display options, Two display views

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

**In-app purchases:** none


### SpecScan VIN Decoder

[App page](https://appshunter.io/ios/app/specscan-vin-decoder/id6800496761)

Instantly determine a car's real market value using its VIN. Decode year, make, model, and factory options, then compare against live dealer listings. Ideal for buyers, sellers, enthusiasts, and dealers.

**Highlights:** Real market value with confidence rating, Comparable listings with prices and links, Deal analysis and offer price suggestions, Factory options decoded from VIN, Buyer guidance and negotiation tips, VIN scanning via door-jamb barcode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpecScan Starter | $19.99 | per month |
| SpecScan Pro | $49.99 | per month |
| SpecScan Ultimate | $99.99 | per month |


## Frequently asked questions

### Is Fuel free?

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

### Is SpecScan VIN Decoder free?

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

### Which has better reviews, Fuel or SpecScan VIN Decoder?

SpecScan VIN Decoder is rated higher. Fuel averages 3.1 out of 5 from 33 ratings, while SpecScan VIN Decoder averages 5.0 from 1 ratings.

### Do Fuel or SpecScan VIN Decoder have ads?

Neither Fuel nor SpecScan VIN Decoder shows ads.

### Which is updated more often, Fuel or SpecScan VIN Decoder?

Fuel ships an update every 10 months, and SpecScan VIN Decoder every 5 days. Most recently, Fuel was updated on October 6, 2026 and SpecScan VIN Decoder on October 4, 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.*