# 23ya vs よくわかる算数小学１年

The clearest difference is in-app purchases: 23ya at none against よくわかる算数小学１年's 1. 23ya also leads on update cadence (every 7 months vs every 28 months) and iOS requirement (10.3 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. よくわかる算数小学１年 sells 1 one-off in-app purchase. 23ya asks for nothing beyond the download.

23ya ships an update every 7 months, よくわかる算数小学１年 every 28 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 23ya | よくわかる算数小学１年 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 28 months |
| Size | 349 MB | 6 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SMARTI CO.,LTD.](https://appshunter.io/developer/1487804812) | [Norio Takeda](https://appshunter.io/developer/1485221811) |

## What reviewers say

### 23ya

[App page](https://appshunter.io/ios/app/23ya/id1494637845)

**Features:** macOS Compatibility

**In-app purchases:** none


### よくわかる算数小学１年

[App page](https://appshunter.io/ios/app/id1508166939)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $7.99 | one-time |


## Frequently asked questions

### Is 23ya free?

23ya is free to download, with no in-app purchases.

### Is よくわかる算数小学１年 free?

よくわかる算数小学１年 is free to download, with in-app purchases available.

### Do 23ya or よくわかる算数小学１年 have ads?

Neither 23ya nor よくわかる算数小学１年 shows ads.

### Which is updated more often, 23ya or よくわかる算数小学１年?

23ya ships an update every 7 months, and よくわかる算数小学１年 every 28 months. Most recently, 23ya was updated on October 26, 2026 and よくわかる算数小学１年 on October 27, 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.*