# World Clock vs PasSwan

The clearest difference is ads: PasSwan at none against World Clock's shown. PasSwan also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (12.0 vs 15.0). On price, 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.

World Clock ships an update every 5 weeks, PasSwan weekly. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | World Clock | PasSwan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (600 ratings)](https://appshunter.io/ios/app/world-clock-timezone-converter/id1425332311/reviews)** | — |
| Number of ratings | **600** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 32 MB | 50 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bokeria](https://appshunter.io/developer/1425332310) | [北京飞侠彼得科技有限公司](https://appshunter.io/developer/1598116074) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-timezone-converter/id1425332311)

Easily convert time zones and check the current time in any region worldwide. This tool helps you stay connected with friends abroad, manage international meetings, and plan travel by accurately displaying dates and times across different locations.

**Highlights:** Convert time zones freely, Search time in any area, Check time for friends abroad, Manage international conferences, Set up widgets, Set theme color, Set UTC and standard times

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🆓 Free application with no paywall
- 🌍 Comprehensive timezone and city database
- ⚡ Fast app performance and quick load times
- 🔄 Automatic daylight saving time updates

**What reviewers complain about**

- 🐛 Widget displays incorrect or blank times
- 🐛 Time display stuck or frozen
- ⚠️ Daylight saving time handling issues
- 🐛 Night mode compatibility problems
- 🐛 Screen flickering when scrolling

**Reported bugs**

- Widget showing blank screen instead of times
- Widget time display stuck or frozen
- Incorrect time display after daylight saving changes
- Widget not working on night mode
- Screen flickering when scrolling

**Requested features**

- Alarm functionality for multiple timezones
- Larger widget size options (2x2, 3x3)
- Widget theme/color customization
- Seconds display in time
- Real-time minute updates


### PasSwan

[App page](https://appshunter.io/ios/app/passwan/id6736889635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Clock free?

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

### Is PasSwan free?

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

### Do World Clock or PasSwan have ads?

World Clock shows ads; PasSwan does not.

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

World Clock ships an update every 5 weeks, and PasSwan weekly. Most recently, World Clock was updated on October 24, 2026 and PasSwan on October 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.*