# uWorld vs World Time Clock Master

The clearest difference is in-app purchases: uWorld at none against World Time Clock Master's 13. uWorld also leads on review sentiment (100% vs 66%) and iOS requirement (11.0 vs 17.0). World Time Clock Master's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. World Time Clock Master sells 10 in-app purchases, starting at $2.99 per month. uWorld asks for nothing beyond the download.

uWorld ships an update every 6 weeks, World Time Clock Master fortnightly. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | uWorld | World Time Clock Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (816 ratings)](https://appshunter.io/ios/app/world-time-clock-master/id6448859727/reviews)** |
| Number of ratings | — | **816** |
| Positive reviews | **100.0% of reviews** | 65.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 69 MB | 236 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [浩安 王](https://appshunter.io/developer/909352928) | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) |

## What reviewers say

### uWorld

[App page](https://appshunter.io/ios/app/uworld-world-clock-widget/id909352925)

Easily track time across different global regions with this intuitive utility. It automatically converts times to your local zone and allows quick calendar entries, with a convenient notification center widget for instant access.

**Highlights:** Global time zone tracking, Automatic time conversion, Calendar event integration, Notification center widget, Simple user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### World Time Clock Master

[App page](https://appshunter.io/ios/app/world-time-clock-master/id6448859727)

Effortlessly manage multiple time zones with this app. Convert times instantly, schedule events, and view global clocks at a glance with interactive widgets. Features atomic accuracy and a vast database of locations.

**Highlights:** Multiple time zone display, Interactive time conversion, Event scheduling, Atomic time accuracy, Dynamic home screen widgets, List mode for text view, Real moon phases and sunrise/sunset

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $2.99 | per month |
| 3 months | $3.99 | per 3 months |
| 1 year | $11.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $19.99 | per year |
| Lifetime | $29.99 | one-time |
| Lifetime | $49.99 | one-time |
| Lifetime | $79.99 | one-time |
| Lifetime | $99.99 | one-time |

**What reviewers like**

- 🚀 Delightful scheduling assistance
- 👍 Feature improvement
- 👍 The best Timezone helper
- 👍 One of the best clocks around
- 👍 The Widget is so damn cool!

**What reviewers complain about**

- 🐛 Problemas al actualizar
- 🐛 Sticky signup interface
- 🐛 Demo not enough
- 🔒 NOT A FREE APP
- 💰 Terrible monetisation model compared to previous app

**Reported bugs**

- Lose all the registered locations after updating the app
- Sticky signup interface
- Widget doesn't work
- GMT and London currently have a 1 hour time difference between the two locations, but the app shows them the same time

**Requested features**

- Add the time difference in hours between the default location and other locations in both the widget and the app
- See my calendar events on the dial
- Make a paid tier that doesn't collect my data
- Add new event to a Calendar


## Frequently asked questions

### Is uWorld free?

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

### Is World Time Clock Master free?

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

### Do uWorld or World Time Clock Master have ads?

Neither uWorld nor World Time Clock Master shows ads.

### Which is updated more often, uWorld or World Time Clock Master?

uWorld ships an update every 6 weeks, and World Time Clock Master fortnightly. Most recently, uWorld was updated on October 13, 2026 and World Time Clock Master on October 17, 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.*