# 24h World vs Overlap

The clearest difference is review sentiment: Overlap at 67% against 24h World's 0%. Overlap also leads on rating (4.8 vs 2.4) and ratings volume (871 vs 5). 24h World's advantage is update cadence (every 6 weeks vs every 3 months) and iOS requirement (6.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Overlap holds the better App Store score, 4.8 against 2.4. That said, the two scores are not equally well evidenced: Overlap has 871 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of 24h World's written reviews are positive against 67% of Overlap's.

24h World ships an update every 6 weeks, Overlap every 3 months. The most recent releases landed on October 16, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 24h World | Overlap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (5 ratings)](https://appshunter.io/ios/app/24h-world-clock/id879116756/reviews) | **[4.8 (871 ratings)](https://appshunter.io/ios/app/overlap-world-clock/id1516950324/reviews)** |
| Number of ratings | 5 | **871** |
| Positive reviews | 0.0% of reviews | **67.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 1 MB | 71 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sakura apps](https://appshunter.io/developer/506336348) | [Bonobo](https://appshunter.io/developer/666155611) |

## What reviewers say

### 24h World

[App page](https://appshunter.io/ios/app/24h-world-clock/id879116756)

Easily track the time in three different cities simultaneously with this world clock application. It utilizes iOS time zones and allows you to select cities from a comprehensive list. You can also simulate past or future times using a slider.

**Highlights:** Display time for three cities, Utilizes iOS time zones, Select cities from a time zone list, Simulate past/future time with slider

**Features:** macOS Compatibility

**In-app purchases:** none


### Overlap

[App page](https://appshunter.io/ios/app/overlap-world-clock/id1516950324)

Easily find optimal meeting times across different time zones with a visual graph. Set custom availability for each location and sync with your calendar to avoid scheduling conflicts. Share convenient times directly from the app.

**Highlights:** Visual Overlap Graph for meeting times, Customizable availability hours per time zone, Calendar event integration, Multiple time zone display, Time zone renaming, Lock Screen Standby Mode widget

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Elegant and intuitive interface
- 🚀 Helpful for coordinating meetings across time zones
- 👍 Useful for tracking time differences globally
- 👍 Simple and easy to use
- 👍 Beautiful and sleek design

**What reviewers complain about**

- 🐛 Widget not working
- 🐛 Timezone data not always accurate
- 🐛 Duplicate timezone entries
- 🐛 App crashes and freezes
- 🔋 High CPU usage on Mac

**Reported bugs**

- Timezone data not updating correctly
- Inability to delete unwanted timezones
- Inconsistent behavior across platforms
- Typing issues on Mac version

**Requested features**

- Add option to reorder timezones
- Implement 24-hour clock display
- Allow customization of colors and backgrounds
- Integrate with calendar for scheduling
- Add weather information for each timezone


## Frequently asked questions

### Is 24h World free?

24h World is free to download, with no in-app purchases.

### Is Overlap free?

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

### Which has better reviews, 24h World or Overlap?

Overlap is rated higher. 24h World averages 2.4 out of 5 from 5 ratings, while Overlap averages 4.8 from 871 ratings.

### Do 24h World or Overlap have ads?

Neither 24h World nor Overlap shows ads.

### Which is updated more often, 24h World or Overlap?

24h World ships an update every 6 weeks, and Overlap every 3 months. Most recently, 24h World was updated on October 16, 2026 and Overlap on October 22, 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.*