# Biological clock vs CAPTCHA Runner

The clearest difference is in-app purchases: Biological clock at none against CAPTCHA Runner's 1. Biological clock also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. CAPTCHA Runner sells 1 one-off in-app purchase. Biological clock asks for nothing beyond the download.

## The numbers

| Metric | Biological clock | CAPTCHA Runner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Every 13 months | — |
| Size | 13 MB | 63 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [HAREPPO](https://appshunter.io/developer/604325074) | [Omer Faruk Olcay](https://appshunter.io/developer/1856674666) |

## What reviewers say

### Biological clock

[App page](https://appshunter.io/ios/app/biological-clock-everywhere/id1099546322)

**Features:** Vision Pro support

**In-app purchases:** none


### CAPTCHA Runner

[App page](https://appshunter.io/ios/app/captcha-runner/id6759565864)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Biological clock free?

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

### Is CAPTCHA Runner free?

CAPTCHA Runner is free to download, with in-app purchases available.

---

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