# Biological clock vs MAKE NUMBER

The clearest difference is update cadence: MAKE NUMBER at every 2 months against Biological clock's every 13 months. On price, ads, 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.

Biological clock ships an update every 13 months, MAKE NUMBER every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Biological clock | MAKE NUMBER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | **Every 2 months** |
| Size | 13 MB | 132 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAREPPO](https://appshunter.io/developer/604325074) | [ZERONE](https://appshunter.io/developer/1708775781) |

## What reviewers say

### Biological clock

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

**Features:** Vision Pro support

**In-app purchases:** none


### MAKE NUMBER

[App page](https://appshunter.io/ios/app/make-number/id1485053162)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biological clock free?

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

### Is MAKE NUMBER free?

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

### Do Biological clock or MAKE NUMBER have ads?

Both Biological clock and MAKE NUMBER show ads.

### Which is updated more often, Biological clock or MAKE NUMBER?

Biological clock ships an update every 13 months, and MAKE NUMBER every 2 months. Most recently, Biological clock was updated on October 8, 2026 and MAKE NUMBER on October 10, 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.*