# Black Clock vs World Clock

The clearest difference is price: World Clock at Free against Black Clock's $4.99. World Clock also leads on update cadence (every 3 weeks vs every 9 months). Black Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment and device support there is nothing between them.

World Clock is free to download; Black Clock costs $4.99 up front. World Clock sells 1 one-off in-app purchase. Black Clock asks for nothing beyond the download.

Black Clock ships an update every 9 months, World Clock every 3 weeks. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Black Clock | World Clock |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[3.8 (12 ratings)](https://appshunter.io/ios/app/world-clock-timezones-widget/id1455516286/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | **57.1% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 101 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MacMedia](https://appshunter.io/developer/322441361) | [Alessandro Sperotti](https://appshunter.io/developer/1455516285) |

## What reviewers say

### Black Clock

[App page](https://appshunter.io/ios/app/black-clock/id335519165)

A straightforward analog clock application offering a clean and simple design. It displays time with classic hands on a dial, providing an uncluttered visual experience for users who prefer traditional timekeeping.

**Highlights:** Simple design, Clean interface, Analog display, Classic clock hands

**Features:** Vision Pro support

**In-app purchases:** none


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-timezones-widget/id1455516286)

Effortlessly track multiple time zones, convert times, and explore city details including weather and points of interest. Access crucial information directly from your lock screen with customizable widgets.

**Highlights:** Track local time in multiple cities, Automatic daylight saving time updates, Effortless time zone conversion, Lock screen widgets for quick access, Detailed city information (weather, photos), Discover points of interest (POIs), User-friendly city search

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Clock Premium | $1.99 | one-time |


## Frequently asked questions

### Is Black Clock free?

Black Clock costs $4.99, with no in-app purchases.

### Is World Clock free?

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

### Do Black Clock or World Clock have ads?

World Clock shows ads; Black Clock does not.

### Which is updated more often, Black Clock or World Clock?

Black Clock ships an update every 9 months, and World Clock every 3 weeks. Most recently, Black Clock was updated on October 12, 2026 and World Clock on October 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.*