# NS Vessel vs DeliveryOS

The clearest difference is update cadence: NS Vessel at every 2 months against DeliveryOS's every 6 months. DeliveryOS's advantage is iOS requirement (13.0 vs 16.6). 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, DeliveryOS every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NS Vessel | DeliveryOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 88 MB | 36 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABS Nautical System LLC](https://appshunter.io/developer/1194431728) | [AppGear](https://appshunter.io/developer/1030140741) |

## What reviewers say

### NS Vessel

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DeliveryOS

[App page](https://appshunter.io/ios/app/deliveryos/id6747896606)

**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 DeliveryOS free?

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

### Do NS Vessel or DeliveryOS have ads?

Neither NS Vessel nor DeliveryOS shows ads.

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

NS Vessel ships an update every 2 months, and DeliveryOS every 6 months. Most recently, NS Vessel was updated on November 2, 2026 and DeliveryOS on October 30, 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.*