# nuVizz xDock vs Unique Delivery Service

The clearest difference is iOS requirement: Unique Delivery Service at 12.2 against nuVizz xDock's 15.6. 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.

nuVizz xDock ships an update monthly, Unique Delivery Service every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | nuVizz xDock | Unique Delivery Service |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 40 MB | 130 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NuVizz Inc](https://appshunter.io/developer/504948287) | [Secured Transit Solutions Inc](https://appshunter.io/developer/1616483910) |

## What reviewers say

### nuVizz xDock

[App page](https://appshunter.io/ios/app/nuvizz-xdock/id6569248604)

**In-app purchases:** none


### Unique Delivery Service

[App page](https://appshunter.io/ios/app/unique-delivery-service/id6761270066)

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

**In-app purchases:** none


## Frequently asked questions

### Is nuVizz xDock free?

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

### Is Unique Delivery Service free?

Unique Delivery Service is free to download, with no in-app purchases.

### Do nuVizz xDock or Unique Delivery Service have ads?

Neither nuVizz xDock nor Unique Delivery Service shows ads.

### Which is updated more often, nuVizz xDock or Unique Delivery Service?

nuVizz xDock ships an update monthly, and Unique Delivery Service every 3 weeks. Most recently, nuVizz xDock was updated on October 27, 2026 and Unique Delivery Service on October 25, 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.*