# Bio3G Clock vs Cyatal

The clearest difference is ads: Bio3G Clock at none against Cyatal's shown. Bio3G Clock also leads on update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 15.0). 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.

Bio3G Clock ships an update monthly, Cyatal every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bio3G Clock | Cyatal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Size | 85 MB | 25 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Biometrics 3g (PTY) LTD](https://appshunter.io/developer/1843550149) | [ADSTER TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1769356733) |

## What reviewers say

### Bio3G Clock

[App page](https://appshunter.io/ios/app/bio3g-clock/id6447108239)

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

**In-app purchases:** none


### Cyatal

[App page](https://appshunter.io/ios/app/cyatal-digital-clock-and-widget/id6788811933)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bio3G Clock free?

Bio3G Clock is free to download, with no in-app purchases.

### Is Cyatal free?

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

### Do Bio3G Clock or Cyatal have ads?

Cyatal shows ads; Bio3G Clock does not.

### Which is updated more often, Bio3G Clock or Cyatal?

Bio3G Clock ships an update monthly, and Cyatal every 3 months. Most recently, Bio3G Clock was updated on October 25, 2026 and Cyatal on October 24, 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.*