# Time Difference Converter vs World Clock

The clearest difference is ads: Time Difference Converter at none against World Clock's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Time Difference Converter ships an update every 3 weeks, World Clock monthly. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Time Difference Converter | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 7 MB | 4 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) | [Junpei Okumura](https://appshunter.io/developer/6773895881) |

## What reviewers say

### Time Difference Converter

[App page](https://appshunter.io/ios/app/time-difference-converter/id6773206221)

**Features:** macOS Compatibility

**In-app purchases:** none


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zones/id6773895879)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Difference Converter free?

Time Difference Converter is free to download, with no in-app purchases.

### Is World Clock free?

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

### Do Time Difference Converter or World Clock have ads?

World Clock shows ads; Time Difference Converter does not.

### Which is updated more often, Time Difference Converter or World Clock?

Time Difference Converter ships an update every 3 weeks, and World Clock monthly. Most recently, Time Difference Converter was updated on September 11, 2026 and World Clock on September 14, 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.*