# uWorld vs Clock

The clearest difference is review sentiment: uWorld at 100% against Clock's 14%. uWorld also leads on update cadence (every 6 weeks vs every 9 months). Clock's advantage is monetization model (free vs free with in-app purchases). On price, ads, 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.

uWorld ships an update every 6 weeks, Clock every 9 months. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | uWorld | Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (20K ratings)](https://appshunter.io/ios/app/clock/id1584215688/reviews)** |
| Number of ratings | — | **20K** |
| Positive reviews | **100.0% of reviews** | 14.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 69 MB | 5 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [浩安 王](https://appshunter.io/developer/909352928) | [Apple Inc.](https://appshunter.io/developer/284417353) |

## 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


### Clock

[App page](https://appshunter.io/ios/app/clock/id1584215688)

This app helps you manage your time across devices. It offers features like a world clock for global time zones, customizable alarms with music options, a stopwatch for measuring durations, and timers for countdowns.

**Highlights:** World Clock for global time zones, Customizable Alarms with music, Stopwatch with lap recording, Multiple Timers with labels, Sleep schedule integration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Useful app
- 👍 Good alarm clock
- ✨ Interesting experience
- 🕰️ Helpful for timekeeping

**What reviewers complain about**

- 🐛 Alarm issues
- 🔇 Quiet/silent alarms
- 🕰️ Lack of customization
- 🤯 Frustrating bugs
- 🕰️ Unreliable timer

**Reported bugs**

- Alarms not going off or being silent
- Alarms disappearing or turning off on their own
- Timer issues like not showing countdown or not working properly

**Requested features**

- Ability to set alarms for specific dates
- Option to silence all alarms for a period
- More customization for alarm sounds and snooze
- Separate volume control for alarms
- Ability to group and manage alarms


## Frequently asked questions

### Is uWorld free?

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

### Is Clock free?

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

### Do uWorld or Clock have ads?

Neither uWorld nor Clock shows ads.

### Which is updated more often, uWorld or Clock?

uWorld ships an update every 6 weeks, and Clock every 9 months. Most recently, uWorld was updated on October 13, 2026 and Clock on October 16, 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.*