# NS Vessel vs Docmap Mobile

The clearest difference is update cadence: Docmap Mobile at monthly against NS Vessel's every 2 months. 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.

NS Vessel ships an update every 2 months, Docmap Mobile monthly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NS Vessel | Docmap Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 88 MB | 49 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ABS Nautical System LLC](https://appshunter.io/developer/1194431728) | [OneOcean Group Limited](https://appshunter.io/developer/1540651212) |

## What reviewers say

### NS Vessel

[App page](https://appshunter.io/ios/app/ns-vessel/id1377619543)

**Features:** macOS Compatibility

**In-app purchases:** none


### Docmap Mobile

[App page](https://appshunter.io/ios/app/docmap-mobile/id6504682599)

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

**In-app purchases:** none


## Frequently asked questions

### Is NS Vessel free?

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

### Is Docmap Mobile free?

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

### Do NS Vessel or Docmap Mobile have ads?

Neither NS Vessel nor Docmap Mobile shows ads.

### Which is updated more often, NS Vessel or Docmap Mobile?

NS Vessel ships an update every 2 months, and Docmap Mobile monthly. Most recently, NS Vessel was updated on October 2, 2026 and Docmap Mobile on October 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.*