# わかる！算数 小学４年【上】 vs 小学3年理科

The clearest difference is price: 小学3年理科 at $2.99 against わかる！算数 小学４年【上】's $9.99. 小学3年理科 also leads on update cadence (every 8 months vs every 37 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

わかる！算数 小学４年【上】 costs $9.99 and 小学3年理科 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

わかる！算数 小学４年【上】 ships an update every 37 months, 小学3年理科 every 8 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | わかる！算数 小学４年【上】 | 小学3年理科 |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 8 months** |
| Size | 50 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [Gloding Inc.](https://appshunter.io/developer/780228385) |

## What reviewers say

### わかる！算数 小学４年【上】

[App page](https://appshunter.io/ios/app/id897322501)

**In-app purchases:** none


### 小学3年理科

[App page](https://appshunter.io/ios/app/3/id1592032619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is わかる！算数 小学４年【上】 free?

わかる！算数 小学４年【上】 costs $9.99, with no in-app purchases.

### Is 小学3年理科 free?

小学3年理科 costs $2.99, with no in-app purchases.

### Do わかる！算数 小学４年【上】 or 小学3年理科 have ads?

Neither わかる！算数 小学４年【上】 nor 小学3年理科 shows ads.

### Which is updated more often, わかる！算数 小学４年【上】 or 小学3年理科?

わかる！算数 小学４年【上】 ships an update every 37 months, and 小学3年理科 every 8 months. Most recently, わかる！算数 小学４年【上】 was updated on September 10, 2026 and 小学3年理科 on September 18, 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.*