# Green Ship

> Maritime environmental compliance calculator for CO2, NOx, SOx, and ballast water. (iPhone/iPad app by DNV AS.)

- Source: https://appshunter.io/ios/app/green-ship/id454443516 (this page in markdown: same URL + `.md`)
- Developer: [DNV AS](https://appshunter.io/developer/380268626)
- Category: Education, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 8 MB
- Languages: English
- Released: 2011-08-06
- Data updated: 2026-06-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/green-ship/id454443516/reviews.md

## What is Green Ship?

This calculator shows the IMO requirements on CO2, NOx, SOx and ballast water for a given ship.
 
The requirements listed should be considered for guidance only. There are numerous other rules and regulations on environment, both global and local, as well as possible exemption criteria on some of the requirements. For more information go to our               or contact us on             .

## Key features

- CO2 requirement calculation
- NOx requirement calculation
- SOx requirement calculation
- Ballast water requirement calculation
- Guidance on IMO environmental regulations


## Frequently asked questions about Green Ship

### What environmental regulations does Green Ship calculate?

Green Ship calculates IMO requirements for CO2, NOx, SOx, and ballast water. It provides guidance on these specific environmental regulations for ships.

### Is Green Ship accurate for all environmental rules?

The requirements listed in Green Ship are for guidance only. Users should refer to official global and local rules and regulations for comprehensive compliance information.

### What devices does Green Ship support?

Green Ship is available for iPhone and iPod devices. It is designed for use on Apple's mobile platforms.

### How often is Green Ship updated?

The latest version of Green Ship was released on February 6, 2017. The app has not received updates since then.

### What is the age rating for Green Ship?

Green Ship has an age rating of 4+. This indicates it is suitable for children and general audiences.

### Does Green Ship offer certifications for completing calculations?

Green Ship is a calculator tool and does not offer certifications. Its purpose is to provide guidance on environmental requirements.

### Can Green Ship be used offline?

The provided description does not specify offline functionality. However, as a calculator, it is likely to function without an internet connection.

### What is the user rating for Green Ship?

Green Ship has a perfect rating of 5.0 stars based on one user review. This suggests a highly positive initial user experience.

## Version history (last 3 releases)

### 2.0 — 2017-02-06

This app has been updated by Apple to display the Apple Watch app icon.

Updates, including regulations approved or adopted up and until MEPC 70 in October 2016.

### 1.1 — 2013-09-20

- Updated with IMO, EU and US regulations per August 2013.

### 1.0 — 2011-08-06

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-25.*