# π ~ Pi Fun App. vs StudyRec

The clearest difference is ads: StudyRec at none against π ~ Pi Fun App.'s shown. π ~ Pi Fun App.'s advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

π ~ Pi Fun App. ships an update every 2 days, StudyRec weekly. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | π ~ Pi Fun App. | StudyRec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Size | 17 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) | [伊 余](https://appshunter.io/developer/6778630030) |

## 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


### StudyRec

[App page](https://appshunter.io/ios/app/studyrec/id6779553788)

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

**In-app purchases:** none


## Frequently asked questions

### Is π ~ Pi Fun App. free?

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

### Is StudyRec free?

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

### Do π ~ Pi Fun App. or StudyRec have ads?

π ~ Pi Fun App. shows ads; StudyRec does not.

### Which is updated more often, π ~ Pi Fun App. or StudyRec?

π ~ Pi Fun App. ships an update every 2 days, and StudyRec weekly. Most recently, π ~ Pi Fun App. was updated on October 14, 2026 and StudyRec on October 16, 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.*