# AtomicClock vs World Clock. Time Widget

The clearest difference is ads: World Clock. Time Widget at none against AtomicClock's shown. World Clock. Time Widget also leads on iOS requirement (12.0 vs 17.4). AtomicClock's advantage is review sentiment (84% vs 64%) and update cadence (monthly vs every 3 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. AtomicClock sells 1 one-off in-app purchase 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 — 4.8 for AtomicClock against 4.7 for World Clock. Time Widget. Both are backed by a comparable volume of ratings — 5.6K and 4.4K respectively. Written reviews are what separate them: 84% of AtomicClock's written reviews are positive against 64% of World Clock. Time Widget's.

AtomicClock ships an update monthly, World Clock. Time Widget every 3 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | AtomicClock | World Clock. Time Widget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.6K ratings)](https://appshunter.io/ios/app/atomicclock-ntp-time/id1402993049/reviews)** | [4.7 (4.4K ratings)](https://appshunter.io/ios/app/world-clock-time-widget/id1453369651/reviews) |
| Number of ratings | **5.6K** | 4.4K |
| Positive reviews | **84.3% of reviews** | 63.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 33 MB |
| Requires iOS | 17.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timo Partl](https://appshunter.io/developer/1387413672) | [7270356 Canada Inc](https://appshunter.io/developer/1220194001) |

## What reviewers say

### AtomicClock

[App page](https://appshunter.io/ios/app/atomicclock-ntp-time/id1402993049)

This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.

**Highlights:** Precise time from NTP servers, Customizable clock faces, Select or add time servers, Local and UTC views, 12/24 hour modes, Customizable time format, Acoustic ticking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro Version | $6.99 | one-time |

**What reviewers like**

- 🚀 Accurate time
- 👍 Highly customizable
- 🚀 Precise to the second
- 👍 Easy to use
- 👍 Helpful for setting watches

**What reviewers complain about**

- 🐛 Server connection issues
- 🔍 Limited time zone options
- 💰 Ads diminish clock view
- 🔍 Lacks some advanced features
- 🔍 Redundant for some users

**Reported bugs**

- Crashes on certain iOS versions
- Occasional freezing of hands
- Countdown timer sound not working

**Requested features**

- Add GMT/dual time display
- Implement widget support
- Add different second hand sounds
- Allow setting background color to match watch
- Include alarm/timer functionality


### 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 AtomicClock free?

AtomicClock 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, AtomicClock or World Clock. Time Widget?

AtomicClock is rated higher. AtomicClock averages 4.8 out of 5 from 5.6K ratings, while World Clock. Time Widget averages 4.7 from 4.4K ratings.

### Do AtomicClock or World Clock. Time Widget have ads?

AtomicClock shows ads; World Clock. Time Widget does not.

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

AtomicClock ships an update monthly, and World Clock. Time Widget every 3 months. Most recently, AtomicClock was updated on November 6, 2026 and World Clock. Time Widget on November 6, 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.*