# World Clock vs Dock Line Calculator

The clearest difference is in-app purchases: World Clock at none against Dock Line Calculator's 1. World Clock also leads on update cadence (every 10 days vs every 2 months). Dock Line Calculator's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Dock Line Calculator sells 1 one-off in-app purchase. World Clock asks for nothing beyond the download.

World Clock ships an update every 10 days, Dock Line Calculator every 2 months. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | World Clock | Dock Line Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (603 ratings)](https://appshunter.io/ios/app/world-clock-timezone-converter/id1425332311/reviews)** | — |
| Number of ratings | **603** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bokeria](https://appshunter.io/developer/1425332310) | [EVREN YUCEBAS](https://appshunter.io/developer/6782353474) |

## What reviewers say

### World Clock

[App page](https://appshunter.io/ios/app/world-clock-timezone-converter/id1425332311)

Easily compare world times and convert dates across different cities and time zones. Ideal for international meetings, travel, or staying connected with loved ones abroad. Offers widgets for quick access and customizable themes.

**Highlights:** Compare multiple cities and time zones, Convert dates and times across regions, Check UTC and standard time zones, Add widgets for fast world time checks, See day and night indicators, Choose 12-hour or 24-hour format, Multiple theme color options

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🆓 Free application with no paywall
- 🌍 Comprehensive timezone and city database
- ⚡ Fast app performance and quick load times
- 🔄 Automatic daylight saving time updates

**What reviewers complain about**

- 🐛 Widget displays incorrect or blank times
- 🐛 Time display stuck or frozen
- ⚠️ Daylight saving time handling issues
- 🐛 Night mode compatibility problems
- 🐛 Screen flickering when scrolling

**Reported bugs**

- Widget showing blank screen instead of times
- Widget time display stuck or frozen
- Incorrect time display after daylight saving changes
- Widget not working on night mode
- Screen flickering when scrolling

**Requested features**

- Alarm functionality for multiple timezones
- Larger widget size options (2x2, 3x3)
- Widget theme/color customization
- Seconds display in time
- Real-time minute updates


### Dock Line Calculator

[App page](https://appshunter.io/ios/app/dock-line-calculator/id6792283809)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dock Line Calculator Pro | $4.99 | one-time |


## Frequently asked questions

### Is World Clock free?

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

### Is Dock Line Calculator free?

Dock Line Calculator is free to download, with in-app purchases available.

### Do World Clock or Dock Line Calculator have ads?

World Clock shows ads; Dock Line Calculator does not.

### Which is updated more often, World Clock or Dock Line Calculator?

World Clock ships an update every 10 days, and Dock Line Calculator every 2 months. Most recently, World Clock was updated on November 11, 2026 and Dock Line Calculator on November 10, 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.*