# CargoSurveyor Tools vs Oil density

The clearest difference is price: Oil density at Free against CargoSurveyor Tools's $11.99. CargoSurveyor Tools's advantage is rating (3.5 vs 1.0) and in-app purchases (none vs 2). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Oil density is free to download; CargoSurveyor Tools costs $11.99 up front. Oil density sells 2 one-off in-app purchases. CargoSurveyor Tools asks for nothing beyond the download.

CargoSurveyor Tools holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

CargoSurveyor Tools ships an update every 2 months, Oil density every 47 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CargoSurveyor Tools | Oil density |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/cargosurveyor-tools/id932816645/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/oil-density/id1641733273/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 47 months |
| Monetization | Paid | **Free** |
| Size | 12 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | +4 | 4+ |
| Developer | [ron mooring](https://appshunter.io/developer/612283157) | [昆 张](https://appshunter.io/developer/517645105) |

## What reviewers say

### CargoSurveyor Tools

[App page](https://appshunter.io/ios/app/cargosurveyor-tools/id932816645)

This app provides a comprehensive toolset for cargo and bunker surveyors, streamlining the process of creating various industry-standard reports. It replaces physical documents and laptops, allowing for on-the-go data entry and report generation with customizable units and standards.

**Highlights:** Generate ullage, transfer, and bunker survey reports, Create notices of discrepancy and statements of facts, Support for OBQ and ROB quantity calculations, Configurable wedge calculator, Customizable report templates with company logos, Email reports as PDF attachments, Supports SI Metric and Imperial units

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

**In-app purchases:** none


### Oil density

[App page](https://appshunter.io/ios/app/oil-density/id1641733273)

This tool calculates the standard density of oil products based on measured apparent density. It automatically queries density tables and computes volume correction factors for accurate standard volume and mass calculations. Improve efficiency and accuracy compared to manual methods.

**Highlights:** Calculates standard oil density, Queries petroleum density tables, Computes volume correction factor (VCF), Calculates standard volume and mass, Adheres to GB/T 1885-1998 national standard

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly card | $2.99 | one-time |
| Lifetime Card | $8.99 | one-time |


## Frequently asked questions

### Is CargoSurveyor Tools free?

CargoSurveyor Tools costs $11.99, with no in-app purchases.

### Is Oil density free?

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

### Which has better reviews, CargoSurveyor Tools or Oil density?

CargoSurveyor Tools is rated higher. CargoSurveyor Tools averages 3.5 out of 5 from 2 ratings, while Oil density averages 1.0 from 1 ratings.

### Do CargoSurveyor Tools or Oil density have ads?

Neither CargoSurveyor Tools nor Oil density shows ads.

### Which is updated more often, CargoSurveyor Tools or Oil density?

CargoSurveyor Tools ships an update every 2 months, and Oil density every 47 months. Most recently, CargoSurveyor Tools was updated on October 21, 2026 and Oil density on October 9, 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.*