# See through Clock vs Binary Clock

The clearest difference is in-app purchases: See through Clock at none against Binary Clock's 1. See through Clock also leads on iOS requirement (15.8.3 vs 26.0). Binary Clock's advantage is ads (none vs shown) and update cadence (daily vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Binary Clock sells 1 one-off in-app purchase. See through Clock asks for nothing beyond the download.

See through Clock ships an update fortnightly, Binary Clock daily. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | See through Clock | Binary Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Size | 35 MB | 7 MB |
| Requires iOS | **15.8.3** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Super, Inc.](https://appshunter.io/developer/439129974) |

## What reviewers say

### See through Clock

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Binary Clock

[App page](https://appshunter.io/ios/app/binary-clock-standby/id6786876264)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Binary Clock Pro | $2.99 | one-time |


## Frequently asked questions

### Is See through Clock free?

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

### Is Binary Clock free?

Binary Clock is free to download, with in-app purchases available.

### Do See through Clock or Binary Clock have ads?

See through Clock shows ads; Binary Clock does not.

### Which is updated more often, See through Clock or Binary Clock?

See through Clock ships an update fortnightly, and Binary Clock daily. Most recently, See through Clock was updated on October 12, 2026 and Binary 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.*