# World Clock vs AI Desk Clock

The clearest difference is in-app purchases: AI Desk Clock at none against World Clock's 1. AI Desk Clock also leads on device support (3 vs 1) and iOS requirement (15 vs 17.6). On price and ads there is nothing between them.

Both are free to download. World Clock sells 1 one-off in-app purchase. AI Desk Clock asks for nothing beyond the download.

## The numbers

| Metric | World Clock | AI Desk Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 2 MB | 5 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Erdem Devge](https://appshunter.io/developer/1464750482) | [连喜 罗](https://appshunter.io/developer/1450239627) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zone-tracker/id6738009591)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features- Lifetime | $1.99 | one-time |


### AI Desk Clock

[App page](https://appshunter.io/ios/app/ai-desk-clock/id6738954918)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Clock free?

World Clock is free to download, with in-app purchases available.

### Is AI Desk Clock free?

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

### Do World Clock or AI Desk Clock have ads?

Neither World Clock nor AI Desk 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.*