# Bio3G Clock vs Flip Clock

The clearest difference is in-app purchases: Bio3G Clock at none against Flip Clock's 1. Bio3G Clock also leads on ads (none vs shown). Flip Clock's advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Flip Clock sells 1 one-off in-app purchase. Bio3G Clock asks for nothing beyond the download.

Bio3G Clock ships an update monthly, Flip Clock weekly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Bio3G Clock | Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Size | 85 MB | 34 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Biometrics 3g (PTY) LTD](https://appshunter.io/developer/1843550149) | [Gun woo Kim](https://appshunter.io/developer/1700263119) |

## 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


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-bedside-clock/id6792409903)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Ads-free + All Themes) | $9.99 | one-time |


## Frequently asked questions

### Is Bio3G Clock free?

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

### Is Flip Clock free?

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

### Do Bio3G Clock or Flip Clock have ads?

Flip Clock shows ads; Bio3G Clock does not.

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

Bio3G Clock ships an update monthly, and Flip Clock weekly. Most recently, Bio3G Clock was updated on October 3, 2026 and Flip Clock on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*