# π ~ Pi Fun App. vs Fast100Math

The clearest difference is ads: Fast100Math at none against π ~ Pi Fun App.'s shown. π ~ Pi Fun App.'s advantage is update cadence (daily vs every 3 days). 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 daily, Fast100Math every 3 days. The most recent releases landed on September 6, 2026 and February 28, 2026 respectively.

## The numbers

| Metric | π ~ Pi Fun App. | Fast100Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 17 MB | 31 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## 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


### Fast100Math

[App page](https://appshunter.io/ios/app/fast100math/id6739807220)

**Features:** macOS Compatibility

**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 Fast100Math free?

Fast100Math is free to download, with no in-app purchases.

### Do π ~ Pi Fun App. or Fast100Math have ads?

π ~ Pi Fun App. shows ads; Fast100Math does not.

### Which is updated more often, π ~ Pi Fun App. or Fast100Math?

π ~ Pi Fun App. ships an update daily, and Fast100Math every 3 days. Most recently, π ~ Pi Fun App. was updated on September 6, 2026 and Fast100Math on February 28, 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.*