# Vessel Inspector vs Petroleum VCF Plus

The clearest difference is price: Vessel Inspector at Free against Petroleum VCF Plus's $3.99. Vessel Inspector also leads on device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Vessel Inspector is free to download; Petroleum VCF Plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Vessel Inspector | Petroleum VCF Plus |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 198 MB | 3 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PALS EDUTECH](https://appshunter.io/developer/1492111951) | [Jose Maldonado](https://appshunter.io/developer/1724473480) |

## What reviewers say

### Vessel Inspector

[App page](https://appshunter.io/ios/app/vessel-inspector/id1492111952)

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

**In-app purchases:** none


### Petroleum VCF Plus

[App page](https://appshunter.io/ios/app/petroleum-vcf-plus/id6478467700)

**In-app purchases:** none


## Frequently asked questions

### Is Vessel Inspector free?

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

### Is Petroleum VCF Plus free?

Petroleum VCF Plus costs $3.99, with no in-app purchases.

### Do Vessel Inspector or Petroleum VCF Plus have ads?

Neither Vessel Inspector nor Petroleum VCF Plus 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.*