# わかる！算数 小学３年【上】 vs QB説明　５年　正多角形と円

The clearest difference is price: QB説明　５年　正多角形と円 at $3.99 against わかる！算数 小学３年【上】's $9.99. QB説明　５年　正多角形と円 also leads on iOS requirement (11.0 vs 15.0). わかる！算数 小学３年【上】's advantage is update cadence (every 10 months vs every 34 months). On ads, in-app purchases and device support there is nothing between them.

わかる！算数 小学３年【上】 costs $9.99 and QB説明　５年　正多角形と円 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

わかる！算数 小学３年【上】 ships an update every 10 months, QB説明　５年　正多角形と円 every 34 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | わかる！算数 小学３年【上】 | QB説明　５年　正多角形と円 |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id684069073/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 34 months |
| Monetization | Paid | — |
| Size | 68 MB | 11 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) |

## What reviewers say

### わかる！算数 小学３年【上】

[App page](https://appshunter.io/ios/app/id684069073)

This app offers a comprehensive math curriculum for third graders, covering the first half of the academic year. It features animated lessons with full voiceovers and interactive drill exercises to reinforce learning. Designed for self-study, it aligns with national educational standards and has been adopted in various educational settings.

**Highlights:** Covers first half of 3rd-grade math curriculum, 28 units, 56 corners of content, Animated lessons with full voiceovers, Interactive drill exercises, Progress tracking with clear indicators, Aligned with national curriculum standards

**In-app purchases:** none


### QB説明　５年　正多角形と円

[App page](https://appshunter.io/ios/app/qb/id1448657476)

**In-app purchases:** none


## Frequently asked questions

### Is わかる！算数 小学３年【上】 free?

わかる！算数 小学３年【上】 costs $9.99, with no in-app purchases.

### Is QB説明　５年　正多角形と円 free?

QB説明　５年　正多角形と円 costs $3.99, with no in-app purchases.

### Do わかる！算数 小学３年【上】 or QB説明　５年　正多角形と円 have ads?

Neither わかる！算数 小学３年【上】 nor QB説明　５年　正多角形と円 shows ads.

### Which is updated more often, わかる！算数 小学３年【上】 or QB説明　５年　正多角形と円?

わかる！算数 小学３年【上】 ships an update every 10 months, and QB説明　５年　正多角形と円 every 34 months. Most recently, わかる！算数 小学３年【上】 was updated on June 5, 2026 and QB説明　５年　正多角形と円 on September 10, 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.*