# See through Clock vs Countodown Timer

The clearest difference is ads: Countodown Timer at none against See through Clock's shown. See through Clock's advantage is iOS requirement (15.8.3 vs 18.0). On price, in-app purchases and device support 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 | See through Clock | Countodown Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 35 MB | 122 MB |
| Requires iOS | **15.8.3** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [TOMOHIRO KATAOKA](https://appshunter.io/developer/1883994971) |

## What reviewers say

### See through Clock

[App page](https://appshunter.io/ios/app/see-through-clock/id6737430785)

**Features:** macOS Compatibility

**In-app purchases:** none


### Countodown Timer

[App page](https://appshunter.io/ios/app/countodown-timer/id6760344422)

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

**In-app purchases:** none


## Frequently asked questions

### Is See through Clock free?

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

### Is Countodown Timer free?

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

### Do See through Clock or Countodown Timer have ads?

See through Clock shows ads; Countodown Timer does not.

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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.*