# eSeaGo vs CMNS COPILOT

The clearest difference is iOS requirement: eSeaGo at 15.6 against CMNS COPILOT's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

eSeaGo ships an update every 4 months, CMNS COPILOT every 5 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | eSeaGo | CMNS COPILOT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/eseago/id1352657449/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | — |
| Size | 48 MB | 29 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hydrographic Office of Marine Department of the Government of HKSAR](https://appshunter.io/developer/1352657448) | [广州胜泊航科技术有限公司](https://appshunter.io/developer/1783941610) |

## What reviewers say

### eSeaGo

[App page](https://appshunter.io/ios/app/eseago/id1352657449)

This app provides chart information for Hong Kong waters, allowing users to download and display it online or offline. It uses the device's positioning function to assist vessels and offers various navigational aids and weather notifications.

**Highlights:** Offline chart information download, Online chart display, Weather warning notifications, Speed information display, User positioning tracking, KML file import/export, Search harbour facilities and place names

**Features:** macOS Compatibility

**In-app purchases:** none


### CMNS COPILOT

[App page](https://appshunter.io/ios/app/cmns-copilot/id6752538031)

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

**In-app purchases:** none


## Frequently asked questions

### Is eSeaGo free?

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

### Is CMNS COPILOT free?

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

### Do eSeaGo or CMNS COPILOT have ads?

Neither eSeaGo nor CMNS COPILOT shows ads.

### Which is updated more often, eSeaGo or CMNS COPILOT?

eSeaGo ships an update every 4 months, and CMNS COPILOT every 5 months. Most recently, eSeaGo was updated on October 10, 2026 and CMNS COPILOT on October 5, 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.*