# ZoneSync vs World Clock

The clearest difference is in-app purchases: ZoneSync at none against World Clock's 1. World Clock's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | ZoneSync | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 1 MB | 41 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vahid HAGHIGHAT](https://appshunter.io/developer/1806270555) | [Tomash Sugint](https://appshunter.io/developer/1896504334) |

## What reviewers say

### ZoneSync

[App page](https://appshunter.io/ios/app/zonesync/id6744264291)

**Features:** macOS Compatibility

**In-app purchases:** none


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-timeshift/id6768507524)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimeShift Pro | $3.99 | one-time |


## Frequently asked questions

### Is ZoneSync free?

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

### Is World Clock free?

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

### Do ZoneSync or World Clock have ads?

Neither ZoneSync nor World Clock shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*