# π ~ Pi Fun App. vs AIの中を見る：画像認識AIのしくみ入門

The clearest difference is in-app purchases: π ~ Pi Fun App. at none against AIの中を見る：画像認識AIのしくみ入門's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AIの中を見る：画像認識AIのしくみ入門 sells 1 one-off in-app purchase. π ~ Pi Fun App. asks for nothing beyond the download.

## The numbers

| Metric | π ~ Pi Fun App. | AIの中を見る：画像認識AIのしくみ入門 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 days | — |
| Size | 17 MB | 19 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) | [Masamichi Nakada](https://appshunter.io/developer/1616494891) |

## What reviewers say

### π ~ Pi Fun App.

[App page](https://appshunter.io/ios/app/pi-fun-app/id6566185298)

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

**In-app purchases:** none


### AIの中を見る：画像認識AIのしくみ入門

[App page](https://appshunter.io/ios/app/aiai/id6794784495)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全ての機能を解放 | $3.99 | one-time |


## Frequently asked questions

### Is π ~ Pi Fun App. free?

π ~ Pi Fun App. is free to download, with no in-app purchases.

### Is AIの中を見る：画像認識AIのしくみ入門 free?

AIの中を見る：画像認識AIのしくみ入門 is free to download, with in-app purchases available.

### Do π ~ Pi Fun App. or AIの中を見る：画像認識AIのしくみ入門 have ads?

Both π ~ Pi Fun App. and AIの中を見る：画像認識AIのしくみ入門 show ads.

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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.*