# doto clock vs World Clock

The clearest difference is ads: doto clock at none against World Clock's shown. doto clock also leads on device support (3 vs 1) and iOS requirement (13.5 vs 16.0). World Clock's advantage is update cadence (monthly vs every 13 months). On price and in-app purchases there is nothing between them.

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

doto clock ships an update every 13 months, World Clock monthly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | doto clock | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Monthly** |
| Size | 5 MB | 4 MB |
| Requires iOS | **13.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [masayuki morishita](https://appshunter.io/developer/470221486) | [Junpei Okumura](https://appshunter.io/developer/6773895881) |

## What reviewers say

### doto clock

[App page](https://appshunter.io/ios/app/doto-clock/id1552829897)

**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 doto clock free?

doto clock 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 doto clock or World Clock have ads?

World Clock shows ads; doto clock does not.

### Which is updated more often, doto clock or World Clock?

doto clock ships an update every 13 months, and World Clock monthly. Most recently, doto clock was updated on October 7, 2026 and World Clock on October 2, 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.*