# π ~ Pi Fun App. vs Element OTG

The clearest difference is update cadence: π ~ Pi Fun App. at every 2 days against Element OTG's monthly. Element OTG's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support 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, Element OTG monthly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | π ~ Pi Fun App. | Element OTG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Monthly |
| Size | 17 MB | 25 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) | [Japality Limited](https://appshunter.io/developer/1574046707) |

## 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


### Element OTG

[App page](https://appshunter.io/ios/app/element-otg/id6749494404)

**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 Element OTG free?

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

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

Both π ~ Pi Fun App. and Element OTG show ads.

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

π ~ Pi Fun App. ships an update every 2 days, and Element OTG monthly. Most recently, π ~ Pi Fun App. was updated on October 14, 2026 and Element OTG on October 3, 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.*