# World Clock vs GMT Time

The clearest difference is rating: GMT Time at 4.7 against World Clock's 3.9. GMT Time also leads on in-app purchases (none vs 1). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. World Clock sells 1 one-off in-app purchase. GMT Time asks for nothing beyond the download.

GMT Time holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 14 and 37 respectively.

## The numbers

| Metric | World Clock | GMT Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (14 ratings)](https://appshunter.io/ios/app/world-clock-time-converter/id622366157/reviews) | **[4.7 (37 ratings)](https://appshunter.io/ios/app/gmt-time/id1613023691/reviews)** |
| Number of ratings | 14 | **37** |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | — |
| Monetization | Ad-supported | Ad-supported |
| Size | 6 MB | 10 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Fukui](https://appshunter.io/developer/575924491) | [MingChun Chien](https://appshunter.io/developer/1181368598) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-converter/id622366157)

Easily calculate time differences worldwide by scrolling a dynamic time bar. Add any city, set specific dates and times, and plan international meetings or calls effortlessly. The app syncs with iOS time data.

**Highlights:** Dynamic time bar for instant difference calculation, Add and manage multiple cities, Direct date and time specification, Customizable city names, Syncs with iOS time data

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisement | $1.99 | one-time |


### GMT Time

[App page](https://appshunter.io/ios/app/gmt-time/id1613023691)

This app provides accurate GMT time using NTP protocol and TrueTime framework. It offers a timekeeping function, allows setting time between two locations for itineraries, and supports multiple languages. Enjoy precise timekeeping with 1/100 second accuracy.

**Highlights:** Accurate GMT time display, NTP and TrueTime framework integration, Timekeeping function (on/off), Set time between two locations, Multi-language support (English, Japanese, Chinese, Cantonese), 1/100 second accuracy

**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 GMT Time free?

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

### Which has better reviews, World Clock or GMT Time?

GMT Time is rated higher. World Clock averages 3.9 out of 5 from 14 ratings, while GMT Time averages 4.7 from 37 ratings.

### Do World Clock or GMT Time have ads?

Both World Clock and GMT Time show ads.

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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.*