# World Cal vs Time Zone Converter・Convertime

The clearest difference is in-app purchases: Time Zone Converter・Convertime at none against World Cal's 1. Time Zone Converter・Convertime also leads on ads (none vs shown) and review sentiment (100% vs 76%). World Cal's advantage is ratings volume (315 vs 4) and device support (4 vs 1). On price, rating and iOS requirement there is nothing between them.

Both are free to download. World Cal sells 1 one-off in-app purchase. Time Zone Converter・Convertime asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for World Cal against 5.0 for Time Zone Converter・Convertime. That said, the two scores are not equally well evidenced: World Cal has 315 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 76% of World Cal's written reviews are positive against 100% of Time Zone Converter・Convertime's.

World Cal ships an update every 4 months, Time Zone Converter・Convertime every 2 months. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | World Cal | Time Zone Converter・Convertime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (315 ratings)](https://appshunter.io/ios/app/world-cal/id792552743/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/time-zone-converterconvertime/id6479019000/reviews)** |
| Number of ratings | **315** | 4 |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 9 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Geospike Pty Ltd](https://appshunter.io/developer/500622151) | [Siarhei Serdziukou](https://appshunter.io/developer/1575791894) |

## What reviewers say

### World Cal

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

Easily schedule global meetings and events across different time zones. This app helps you find the perfect time for international calls and trips by comparing multiple time zones and integrating with your calendar.

**Highlights:** Cross-timezone scheduling, View calendar in multiple timezones, Time travel into the future, Add unlimited timezones, Day/night indicators, Home screen and watch widgets, DST accuracy

**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


### Time Zone Converter・Convertime

[App page](https://appshunter.io/ios/app/time-zone-converterconvertime/id6479019000)

Easily find the current time and plan meetings across different time zones. This tool helps you avoid mental calculations by visually aligning schedules and identifying overlapping hours for seamless coordination.

**Highlights:** Multiple time zone display, Meeting planner, Visual time scale, AM/PM or 24-hour format, GMT code display, Meeting time export

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Cal free?

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

### Is Time Zone Converter・Convertime free?

Time Zone Converter・Convertime is free to download, with no in-app purchases.

### Which has better reviews, World Cal or Time Zone Converter・Convertime?

Time Zone Converter・Convertime is rated higher. World Cal averages 4.9 out of 5 from 315 ratings, while Time Zone Converter・Convertime averages 5.0 from 4 ratings.

### Do World Cal or Time Zone Converter・Convertime have ads?

World Cal shows ads; Time Zone Converter・Convertime does not.

### Which is updated more often, World Cal or Time Zone Converter・Convertime?

World Cal ships an update every 4 months, and Time Zone Converter・Convertime every 2 months. Most recently, World Cal was updated on November 9, 2026 and Time Zone Converter・Convertime on November 8, 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.*