# たのしくなる　さんすう１ねん vs "Yusan" Guide

The clearest difference is price: "Yusan" Guide at Free against たのしくなる　さんすう１ねん's $11.99. "Yusan" Guide also leads on update cadence (every 4 days vs every 7 months) and device support (3 vs 1). たのしくなる　さんすう１ねん's advantage is iOS requirement (9.0 vs 13.0). On ads and in-app purchases there is nothing between them.

"Yusan" Guide is free to download; たのしくなる　さんすう１ねん costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

たのしくなる　さんすう１ねん ships an update every 7 months, "Yusan" Guide every 4 days. Both last shipped on November 11, 2026.

## The numbers

| Metric | たのしくなる　さんすう１ねん | "Yusan" Guide |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id427074880/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 60 MB | 981 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KoikeSystemPro Inc.,](https://appshunter.io/developer/426904750) | [NOMURA Co.,Ltd.](https://appshunter.io/developer/666741870) |

## What reviewers say

### たのしくなる　さんすう１ねん

[App page](https://appshunter.io/ios/app/id427074880)

**Features:** macOS Compatibility

**In-app purchases:** none


### "Yusan" Guide

[App page](https://appshunter.io/ios/app/yusan-guide/id1575830243)

**In-app purchases:** none


## Frequently asked questions

### Is たのしくなる　さんすう１ねん free?

たのしくなる　さんすう１ねん costs $11.99, with no in-app purchases.

### Is "Yusan" Guide free?

"Yusan" Guide is free to download, with no in-app purchases.

### Do たのしくなる　さんすう１ねん or "Yusan" Guide have ads?

Neither たのしくなる　さんすう１ねん nor "Yusan" Guide shows ads.

### Which is updated more often, たのしくなる　さんすう１ねん or "Yusan" Guide?

たのしくなる　さんすう１ねん ships an update every 7 months, and "Yusan" Guide every 4 days. Most recently, たのしくなる　さんすう１ねん was updated on November 11, 2026 and "Yusan" Guide on November 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*