# Big Countdown vs Sundial World Clock

The clearest difference is device support: Big Countdown at 3 against Sundial World Clock's 1. Big Countdown also leads on iOS requirement (12.0 vs 17.0). On price 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.

## The numbers

| Metric | Big Countdown | Sundial World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 2 days | — |
| Size | 8 MB | 0 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pierre Ramoin](https://appshunter.io/developer/1715390405) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Big Countdown

[App page](https://appshunter.io/ios/app/big-countdown/id6517356676)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sundial World Clock

[App page](https://appshunter.io/ios/app/sundial-world-clock/id6771688048)

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

**In-app purchases:** none


## Frequently asked questions

### Is Big Countdown free?

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

### Is Sundial World Clock free?

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

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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.*