# Atomic Clock PRO vs World Clock. Time Widget

The clearest difference is ads: World Clock. Time Widget at none against Atomic Clock PRO's shown. World Clock. Time Widget also leads on iOS requirement (12.0 vs 15.6). Atomic Clock PRO's advantage is review sentiment (73% vs 64%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month and World Clock. Time Widget sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Atomic Clock PRO against 4.7 for World Clock. Time Widget. Both are backed by a comparable volume of ratings — 10K and 4.3K respectively. Written reviews are what separate them: 73% of Atomic Clock PRO's written reviews are positive against 64% of World Clock. Time Widget's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Atomic Clock PRO | World Clock. Time Widget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (10K ratings)](https://appshunter.io/ios/app/atomic-clock-pro/id899090224/reviews) | [4.7 (4.3K ratings)](https://appshunter.io/ios/app/world-clock-time-widget/id1453369651/reviews) |
| Number of ratings | **10K** | 4.3K |
| Positive reviews | **73.0% of reviews** | 63.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 33 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brachmann Online Marketing GmbH & Co. KG](https://appshunter.io/developer/682848918) | [7270356 Canada Inc](https://appshunter.io/developer/1220194001) |

## What reviewers say

### Atomic Clock PRO

[App page](https://appshunter.io/ios/app/atomic-clock-pro/id899090224)

Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.

**Highlights:** Exact time from atomic clock, Automatic time zone recognition, Customizable background images, Digital and analog clock modes, Optional sound alerts, Color customization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Remove Ads | $5.99 | one-time |

**What reviewers like**

- ⭐ Accurate time display
- 📟 Useful for timing events
- 🕰️ Helpful for setting other clocks
- 🔍 Large, easy-to-read clock face

**What reviewers complain about**

- 💸 Subscription model for ad-free version
- 📢 Excessive advertisements
- 🔍 Small font for seconds display
- 🔀 Difficulty in displaying both analog and digital clocks simultaneously

**Reported bugs**

- Second hand occasionally runs in reverse
- Digital clock display cuts off on some devices
- Inconsistent behavior when switching between clock types

**Requested features**

- Customizable clock face options
- Ability to set widget on home screen
- Sync with system clock to automatically update time


### World Clock. Time Widget

[App page](https://appshunter.io/ios/app/world-clock-time-widget/id1453369651)

This app offers a world clock with a time calculator and customizable widgets for your home screen. It allows you to track time in over 30,000 cities, even offline, and rename locations for easy identification. The clean interface ensures fast navigation and a straightforward user experience.

**Highlights:** 30,000+ cities, Offline functionality, Multiple home screen widgets, Time converter, Rename places

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Clock. Widget. Monthly | $1.99 | per month |
| World Clock. Widget. Annually | $15.99 | per year |
| Remove Ads | $5.99 | one-time |

**What reviewers like**

- 💻 Simple and easy to use
- 🌍 Helpful for tracking time zones
- 🕰️ Straightforward interface
- 📊 Useful for international meetings
- 🔍 Comprehensive city database

**What reviewers complain about**

- 🐛 Bugs and glitches in widget
- 🔍 Missing some major cities
- 🔒 Paid features behind paywall
- 🔄 Difficulty reordering locations
- 🕰️ Limited time display options

**Reported bugs**

- Widget not loading correctly
- Time zone display issues
- Search function not working
- Compatibility problems on iOS 16
- Inconsistent date/day display

**Requested features**

- Add analog clock option
- Ability to display seconds
- More customization options
- Improved widget functionality
- Granular time zone selection


## Frequently asked questions

### Is Atomic Clock PRO free?

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

### Is World Clock. Time Widget free?

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

### Which has better reviews, Atomic Clock PRO or World Clock. Time Widget?

Atomic Clock PRO and World Clock. Time Widget are both rated 4.7 out of 5 on the App Store, from 10K and 4.3K ratings respectively.

### Do Atomic Clock PRO or World Clock. Time Widget have ads?

Atomic Clock PRO shows ads; World Clock. Time Widget does not.

### Which is updated more often, Atomic Clock PRO or World Clock. Time Widget?

Atomic Clock PRO ships an update every 3 months, and World Clock. Time Widget every 3 months. Most recently, Atomic Clock PRO was updated on October 18, 2026 and World Clock. Time Widget on October 14, 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.*