# Timezone World Clock vs WorldTime Calendar

The clearest difference is in-app purchases: Timezone World Clock at none against WorldTime Calendar's 3. WorldTime Calendar's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. WorldTime Calendar sells 3 in-app purchases, starting at $0.39 per month. Timezone World Clock asks for nothing beyond the download.

## The numbers

| Metric | Timezone World Clock | WorldTime Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 10 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Amrith Shanbhag](https://appshunter.io/developer/1887597523) | [均 周](https://appshunter.io/developer/6780701711) |

## What reviewers say

### Timezone World Clock

[App page](https://appshunter.io/ios/app/timezone-world-clock-timebase/id6770247920)

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

**In-app purchases:** none


### WorldTime Calendar

[App page](https://appshunter.io/ios/app/worldtime-calendar/id6780894412)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorldTime Pro Monthly | $0.39 | per month |
| WorldTime Pro Half-Year | $1.49 | per 6 months |
| WorldTime Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Timezone World Clock free?

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

### Is WorldTime Calendar free?

WorldTime Calendar is free to download, with in-app purchases available.

### Do Timezone World Clock or WorldTime Calendar have ads?

Neither Timezone World Clock nor WorldTime Calendar 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.*