# Countdown Timer vs World Clock

The clearest difference is iOS requirement: World Clock at 13.0 against Countdown Timer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Countdown Timer ships an update every 2 months, World Clock every 6 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Countdown Timer | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 6 MB | 38 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Bhavin Harsoda](https://appshunter.io/developer/1896732789) |

## What reviewers say

### Countdown Timer

[App page](https://appshunter.io/ios/app/countdown-timer-days-and-events/id6772271960)

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

**In-app purchases:** none


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zone-map/id6783319600)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Timer free?

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

### Is World Clock free?

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

### Do Countdown Timer or World Clock have ads?

Neither Countdown Timer nor World Clock shows ads.

### Which is updated more often, Countdown Timer or World Clock?

Countdown Timer ships an update every 2 months, and World Clock every 6 weeks. Most recently, Countdown Timer was updated on September 30, 2026 and World Clock on October 7, 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.*