# Dust Asst vs World Clock

The clearest difference is in-app purchases: World Clock at none against Dust Asst's 2. World Clock also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Dust Asst sells 2 in-app purchases, starting at $4.99 per 7 days. World Clock asks for nothing beyond the download.

## The numbers

| Metric | Dust Asst | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 3 MB | 38 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HONG KONG WOOKAKA PET PRODUCTS CO., LIMITED](https://appshunter.io/developer/1821243531) | [Bhavin Harsoda](https://appshunter.io/developer/1896732789) |

## What reviewers say

### Dust Asst

[App page](https://appshunter.io/ios/app/dust-asst-cpu-master/id6758430025)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Boost | $4.99 | per 7 days |
| Yearly Boost | $39.99 | per year |


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zone-map/id6783319600)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dust Asst free?

Dust Asst is free to download, with in-app purchases available.

### Is World Clock free?

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

### Do Dust Asst or World Clock have ads?

Neither Dust Asst nor World Clock shows ads.

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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.*