# World Clock vs Kleio

The clearest difference is in-app purchases: Kleio at none against World Clock's 5. Kleio also leads on update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. World Clock sells 5 in-app purchases, starting at $1.99 per month. Kleio asks for nothing beyond the download.

World Clock ships an update every 6 weeks, Kleio every 3 weeks. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | World Clock | Kleio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/world-clock-easy-timezones/id1566081926/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 62 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Samtark Pty Ltd](https://appshunter.io/developer/1566081928) | [DevInterface SRL](https://appshunter.io/developer/881056274) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-easy-timezones/id1566081926)

Visually compare local times and working hours across different global locations. Easily find suitable meeting times and share local time summaries without complex calculations. Includes home screen widgets for quick glances.

**Highlights:** Visual timeline of global working hours, Find optimal meeting times, Share local time summaries, Home Screen and Lock Screen widgets, Offline functionality for core features, Automatic daylight saving time handling

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $1.99 | per month |
| Premium | $2.99 | per month |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $14.99 | per year |
| Premium Lifetime | $34.99 | one-time |


### Kleio

[App page](https://appshunter.io/ios/app/kleio/id6760353742)

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

**In-app purchases:** none


## Frequently asked questions

### Is World Clock free?

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

### Is Kleio free?

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

### Do World Clock or Kleio have ads?

Neither World Clock nor Kleio shows ads.

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

World Clock ships an update every 6 weeks, and Kleio every 3 weeks. Most recently, World Clock was updated on November 11, 2026 and Kleio on November 13, 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.*