# World Timezone Calendar vs World Clock

The clearest difference is ads: World Clock at none against World Timezone Calendar's shown. World Clock also leads on update cadence (fortnightly vs every 4 months). World Timezone Calendar's advantage is device support (4 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. World Timezone Calendar sells 1 one-off in-app purchase and World Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

World Timezone Calendar ships an update every 4 months, World Clock fortnightly. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | World Timezone Calendar | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (295 ratings)](https://appshunter.io/ios/app/world-timezone-calendar/id792552743/reviews)** | — |
| Number of ratings | **295** | — |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 2 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Geospike Pty Ltd](https://appshunter.io/developer/500622151) | [Mehmet Erdem Devge](https://appshunter.io/developer/1464750482) |

## What reviewers say

### World Timezone Calendar

[App page](https://appshunter.io/ios/app/world-timezone-calendar/id792552743)

Easily schedule meetings and events across different time zones. This app helps you find the perfect time for global coordination by comparing multiple time zones and integrating with your existing calendar. Plan ahead with future time views and share events that automatically adjust to recipients' local times.

**Highlights:** Cross-timezone scheduling, View calendar in multiple timezones, Time travel to plan ahead, Add unlimited timezones, Day/night indicators, Home screen widget, Global event sharing

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $19.95 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🌍 Great for multiple time zones
- 💡 Simple and efficient
- ✅ Clear display
- 🤝 Helpful for international scheduling

**What reviewers complain about**

- 💰 Expensive ad-free version
- 🔞 Inappropriate ads in free version
- 💸 High price for functionality

**Reported bugs**

- 🐛 Inappropriate ads in free version
- 🐛 Widget settings not saved
- 🐛 Cannot add new events with double tap
- 🐛 Timezone abbreviations not displayed
- 🐛 Search feature doesn't work

**Requested features**

- Add more cities
- Option to freeze time zones for comparison
- Switch between 24-hour and AM/PM clock
- Cleaner design with better calendar event integration
- Ability to pick a specific date to view


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zone-tracker/id6738009591)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features- Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is World Timezone Calendar free?

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

### Is World Clock free?

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

### Do World Timezone Calendar or World Clock have ads?

World Timezone Calendar shows ads; World Clock does not.

### Which is updated more often, World Timezone Calendar or World Clock?

World Timezone Calendar ships an update every 4 months, and World Clock fortnightly. Most recently, World Timezone Calendar was updated on September 26, 2026 and World Clock on September 9, 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.*