# US Marine Survey vs EHS Chartering

The clearest difference is update cadence: EHS Chartering at every 3 weeks against US Marine Survey's every 14 months. US Marine Survey's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

US Marine Survey ships an update every 14 months, EHS Chartering every 3 weeks. The most recent releases landed on June 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | US Marine Survey | EHS Chartering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/us-marine-survey/id1574085472/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 80 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [US Marine Survey Co](https://appshunter.io/developer/1574085474) | [MARITIME TECHNOLOGIES (R&D) PTE. LTD.](https://appshunter.io/developer/1190103871) |

## What reviewers say

### US Marine Survey

[App page](https://appshunter.io/ios/app/us-marine-survey/id1574085472)

This app offers professional maritime surveying services for the shipping industry. It's run by experienced professionals using modern equipment for accurate results in various vessel inspections and cargo surveys.

**Highlights:** Draft Survey, Hold Inspection, Pre-Loading Survey, GMDSS Radio Annual Inspection, On hire Off Hire Survey, Bunker Quantity Survey, Vessel Pre-Purchase Inspection

**Features:** macOS Compatibility

**In-app purchases:** none


### EHS Chartering

[App page](https://appshunter.io/ios/app/ehs-chartering/id1596739039)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is US Marine Survey free?

US Marine Survey is free to download, with no in-app purchases.

### Is EHS Chartering free?

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

### Do US Marine Survey or EHS Chartering have ads?

Neither US Marine Survey nor EHS Chartering shows ads.

### Which is updated more often, US Marine Survey or EHS Chartering?

US Marine Survey ships an update every 14 months, and EHS Chartering every 3 weeks. Most recently, US Marine Survey was updated on June 26, 2026 and EHS Chartering on September 10, 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.*