# Biorhythm Calculator Simple vs Bio

The clearest difference is price: Biorhythm Calculator Simple at Free against Bio's $1.99. Bio's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Biorhythm Calculator Simple is free to download; Bio costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Biorhythm Calculator Simple | Bio |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | — |
| Size | 17 MB | 3 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [Guoqing Yin](https://appshunter.io/developer/1789146678) |

## What reviewers say

### Biorhythm Calculator Simple

[App page](https://appshunter.io/ios/app/biorhythm-calculator-simple/id1542322175)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bio

[App page](https://appshunter.io/ios/app/bio-pc/id6740243992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm Calculator Simple free?

Biorhythm Calculator Simple is free to download, with no in-app purchases.

### Is Bio free?

Bio costs $1.99, with no in-app purchases.

### Do Biorhythm Calculator Simple or Bio have ads?

Biorhythm Calculator Simple shows ads; Bio does not.

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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.*