# World Clock vs AlphaTime

The clearest difference is update cadence: AlphaTime at fortnightly against World Clock's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. World Clock sells 1 one-off in-app purchase and AlphaTime sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

World Clock ships an update every 5 weeks, AlphaTime fortnightly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | World Clock | AlphaTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 41 MB | 27 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomash Sugint](https://appshunter.io/developer/1896504334) | [JEN EVANS TRUSHEVSKA](https://appshunter.io/developer/6805593446) |

## What reviewers say

### 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 |


### AlphaTime

[App page](https://appshunter.io/ios/app/alphatime-world-clock/id6805593444)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlphaTime Premium | $0.99 | per month |


## Frequently asked questions

### Is World Clock free?

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

### Is AlphaTime free?

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

### Do World Clock or AlphaTime have ads?

Neither World Clock nor AlphaTime shows ads.

### Which is updated more often, World Clock or AlphaTime?

World Clock ships an update every 5 weeks, and AlphaTime fortnightly. Most recently, World Clock was updated on October 28, 2026 and AlphaTime on October 29, 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.*