# Binary O'Clock vs Binary Clock

The clearest difference is in-app purchases: Binary O'Clock at none against Binary Clock's 1. Binary O'Clock also leads on device support (5 vs 2). Binary Clock's advantage is update cadence (daily vs every 3 weeks). On price, ads and iOS requirement there is nothing between them.

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

Binary O'Clock ships an update every 3 weeks, Binary Clock daily. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Binary O'Clock | Binary Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 8 MB | 7 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Backslashed](https://appshunter.io/developer/499276703) | [Super, Inc.](https://appshunter.io/developer/439129974) |

## What reviewers say

### Binary O'Clock

[App page](https://appshunter.io/ios/app/binary-oclock/id1166356115)

**Features:** Apple Watch app, Vision Pro support

**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 Binary O'Clock free?

Binary O'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 Binary O'Clock or Binary Clock have ads?

Neither Binary O'Clock nor Binary Clock shows ads.

### Which is updated more often, Binary O'Clock or Binary Clock?

Binary O'Clock ships an update every 3 weeks, and Binary Clock daily. Most recently, Binary O'Clock was updated on October 29, 2026 and Binary Clock on October 31, 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.*