# わかる！算数 小学４年【下】 Lite vs よくわかる算数小学１年

The clearest difference is in-app purchases: わかる！算数 小学４年【下】 Lite at none against よくわかる算数小学１年's 1. わかる！算数 小学４年【下】 Lite also leads on iOS requirement (9.0 vs 17.0). On price, update cadence, 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. わかる！算数 小学４年【下】 Lite asks for nothing beyond the download.

わかる！算数 小学４年【下】 Lite ships an update every 36 months, よくわかる算数小学１年 every 28 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | わかる！算数 小学４年【下】 Lite | 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 36 months | **Every 28 months** |
| Size | 47 MB | 6 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [Norio Takeda](https://appshunter.io/developer/1485221811) |

## What reviewers say

### わかる！算数 小学４年【下】 Lite

[App page](https://appshunter.io/ios/app/lite/id897335206)

**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 わかる！算数 小学４年【下】 Lite free?

わかる！算数 小学４年【下】 Lite 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 わかる！算数 小学４年【下】 Lite or よくわかる算数小学１年 have ads?

Neither わかる！算数 小学４年【下】 Lite nor よくわかる算数小学１年 shows ads.

### Which is updated more often, わかる！算数 小学４年【下】 Lite or よくわかる算数小学１年?

わかる！算数 小学４年【下】 Lite ships an update every 36 months, and よくわかる算数小学１年 every 28 months. Most recently, わかる！算数 小学４年【下】 Lite was updated on October 14, 2026 and よくわかる算数小学１年 on September 30, 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.*