# Fun multiplication with Piyo! vs かけざんアプリ

The clearest difference is ads: かけざんアプリ at none against Fun multiplication with Piyo!'s shown. かけざんアプリ also leads on update cadence (every 5 days vs every 8 months). Fun multiplication with Piyo!'s advantage is iOS requirement (13.0 vs 15.0). On price, 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.

Fun multiplication with Piyo! ships an update every 8 months, かけざんアプリ every 5 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Fun multiplication with Piyo! | かけざんアプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/fun-multiplication-with-piyo/id1641439148/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 148 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rie Takayama](https://appshunter.io/developer/1636226527) | [SHINICHIRO ISHII](https://appshunter.io/developer/1645307968) |

## What reviewers say

### Fun multiplication with Piyo!

[App page](https://appshunter.io/ios/app/fun-multiplication-with-piyo/id1641439148)

Learn multiplication through engaging practice problems and a fun game. Earn coins for correct answers to collect items for a virtual bird companion. Enjoy mastering math skills with a friendly character.

**Highlights:** Multiplication practice problems, Multiplication game with levels, Coin rewards for correct answers, Collect bird care items, Learn with a character companion

**Features:** macOS Compatibility

**In-app purchases:** none


### かけざんアプリ

[App page](https://appshunter.io/ios/app/id1645307966)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fun multiplication with Piyo! free?

Fun multiplication with Piyo! is free to download, with no in-app purchases.

### Is かけざんアプリ free?

かけざんアプリ is free to download, with no in-app purchases.

### Do Fun multiplication with Piyo! or かけざんアプリ have ads?

Fun multiplication with Piyo! shows ads; かけざんアプリ does not.

### Which is updated more often, Fun multiplication with Piyo! or かけざんアプリ?

Fun multiplication with Piyo! ships an update every 8 months, and かけざんアプリ every 5 days. Most recently, Fun multiplication with Piyo! was updated on November 3, 2026 and かけざんアプリ on November 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.*