# わかる！算数 小学４年【上】 vs 色そろばん

The clearest difference is price: 色そろばん at $7.99 against わかる！算数 小学４年【上】's $9.99. 色そろばん also leads on device support (3 vs 1) and iOS requirement (12.0 vs 15.0). On update cadence, ads and in-app purchases there is nothing between them.

わかる！算数 小学４年【上】 costs $9.99 and 色そろばん $7.99 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, 色そろばん every 26 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | わかる！算数 小学４年【上】 | 色そろばん |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 26 months** |
| Size | 50 MB | 98 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [kei watanabe](https://appshunter.io/developer/1351571003) |

## 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


### 色そろばん

[App page](https://appshunter.io/ios/app/id1351571004)

**Features:** macOS Compatibility, Vision Pro support

**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 色そろばん free?

色そろばん costs $7.99, with no in-app purchases.

### Do わかる！算数 小学４年【上】 or 色そろばん have ads?

Neither わかる！算数 小学４年【上】 nor 色そろばん shows ads.

### Which is updated more often, わかる！算数 小学４年【上】 or 色そろばん?

わかる！算数 小学４年【上】 ships an update every 37 months, and 色そろばん every 26 months. Most recently, わかる！算数 小学４年【上】 was updated on November 6, 2026 and 色そろばん on November 2, 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.*