# Why?! vs Learn Machine Learning & AI

The clearest difference is in-app purchases: Learn Machine Learning & AI at none against Why?!'s 10. Learn Machine Learning & AI also leads on update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Why?! sells 10 in-app purchases, starting at $7.99 per month. Learn Machine Learning & AI asks for nothing beyond the download.

Why?! ships an update monthly, Learn Machine Learning & AI every 10 days. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Why?! | Learn Machine Learning & AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Size | 36 MB | 45 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Looking4Cache UG (haftungsbeschraenkt)](https://appshunter.io/developer/532870489) | [Shekh Ehsanur Rahman](https://appshunter.io/developer/1892682672) |

## What reviewers say

### Why?!

[App page](https://appshunter.io/ios/app/why/id6749770685)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Kid / Month | $7.99 | per month |
| 2 Kids / Month | $11.99 | per month |
| 3 Kids / Month | $14.99 | per month |
| 4 Kids / Month | $17.99 | per month |
| 5 Kids / Month | $19.99 | per month |
| 1 Kid / Year | $59.99 | per year |
| 2 Kids / Year | $89.99 | per year |
| 3 Kids / Year | $109.99 | per year |
| 4 Kids / Year | $129.99 | per year |
| 5 Kids / Year | $149.99 | per year |


### Learn Machine Learning & AI

[App page](https://appshunter.io/ios/app/learn-machine-learning-and-ai/id6762052315)

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

**In-app purchases:** none


## Frequently asked questions

### Is Why?! free?

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

### Is Learn Machine Learning & AI free?

Learn Machine Learning & AI is free to download, with no in-app purchases.

### Do Why?! or Learn Machine Learning & AI have ads?

Neither Why?! nor Learn Machine Learning & AI shows ads.

### Which is updated more often, Why?! or Learn Machine Learning & AI?

Why?! ships an update monthly, and Learn Machine Learning & AI every 10 days. Most recently, Why?! was updated on November 5, 2026 and Learn Machine Learning & AI on October 25, 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.*