# NS Vessel vs Maindeck

NS Vessel and Maindeck are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Maindeck every 5 weeks. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | NS Vessel | Maindeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 88 MB | 62 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ABS Nautical System LLC](https://appshunter.io/developer/1194431728) | [Unisea AS](https://appshunter.io/developer/1458093936) |

## What reviewers say

### NS Vessel

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Maindeck

[App page](https://appshunter.io/ios/app/maindeck/id1450106450)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NS Vessel free?

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

### Is Maindeck free?

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

### Do NS Vessel or Maindeck have ads?

Neither NS Vessel nor Maindeck shows ads.

### Which is updated more often, NS Vessel or Maindeck?

NS Vessel ships an update every 2 months, and Maindeck every 5 weeks. Most recently, NS Vessel was updated on September 15, 2026 and Maindeck on September 17, 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.*