# Kaio vs Why.

The clearest difference is device support: Kaio at 3 against Why.'s —. Kaio also leads on iOS requirement (15.1 vs 18.6). On price and in-app purchases there is nothing between them.

Both are free to download. Kaio sells 2 in-app purchases, starting at $4.99 per month and Why. sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Kaio | Why. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | Every 4 months | — |
| Size | 50 MB | 52 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Realentless](https://appshunter.io/developer/1749948413) | [Kylian Lenoir](https://appshunter.io/developer/1878739704) |

## What reviewers say

### Kaio

[App page](https://appshunter.io/ios/app/kaio/id6503691556)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $4.99 | per month |
| Yearly Membership | $39.99 | per year |


### Why.

[App page](https://appshunter.io/ios/app/why/id6759459922)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| abonnement Hebdo | $4.99 | per 7 days |
| Abonnement mensuel | $9.99 | per month |
| Annuel Abonnement | $45.99 | per year |


## Frequently asked questions

### Is Kaio free?

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

### Is Why. free?

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

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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.*