# そろばんを1から覚える初心者のためのそろばん教室 vs QB説明３年　分数のたし算とひき算

The clearest difference is price: そろばんを1から覚える初心者のためのそろばん教室 at Free against QB説明３年　分数のたし算とひき算's $3.99. そろばんを1から覚える初心者のためのそろばん教室 also leads on update cadence (every 2 months vs every 33 months) and device support (3 vs 1). QB説明３年　分数のたし算とひき算's advantage is in-app purchases (none vs 1) and ads (none vs shown).

そろばんを1から覚える初心者のためのそろばん教室 is free to download; QB説明３年　分数のたし算とひき算 costs $3.99 up front. そろばんを1から覚える初心者のためのそろばん教室 sells 1 one-off in-app purchase. QB説明３年　分数のたし算とひき算 asks for nothing beyond the download.

そろばんを1から覚える初心者のためのそろばん教室 ships an update every 2 months, QB説明３年　分数のたし算とひき算 every 33 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | そろばんを1から覚える初心者のためのそろばん教室 | QB説明３年　分数のたし算とひき算 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 33 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 7 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [kenji kiuchi](https://appshunter.io/developer/553473005) | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) |

## What reviewers say

### そろばんを1から覚える初心者のためのそろばん教室

[App page](https://appshunter.io/ios/app/1/id1095959894)

Learn abacus from scratch with this educational app. It offers clear explanations for beginners, including visual aids for adding and removing beads. Advanced users can test their skills in challenge modes.

**Highlights:** Beginner-friendly abacus explanations, Visual bead manipulation, Practice problems, Timed challenges, Level-based progression, Abacus multiplication tables

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除と全機能解放 | $9.99 | one-time |


### QB説明３年　分数のたし算とひき算

[App page](https://appshunter.io/ios/app/qb/id1193478048)

**In-app purchases:** none


## Frequently asked questions

### Is そろばんを1から覚える初心者のためのそろばん教室 free?

そろばんを1から覚える初心者のためのそろばん教室 is free to download, with in-app purchases available.

### Is QB説明３年　分数のたし算とひき算 free?

QB説明３年　分数のたし算とひき算 costs $3.99, with no in-app purchases.

### Do そろばんを1から覚える初心者のためのそろばん教室 or QB説明３年　分数のたし算とひき算 have ads?

そろばんを1から覚える初心者のためのそろばん教室 shows ads; QB説明３年　分数のたし算とひき算 does not.

### Which is updated more often, そろばんを1から覚える初心者のためのそろばん教室 or QB説明３年　分数のたし算とひき算?

そろばんを1から覚える初心者のためのそろばん教室 ships an update every 2 months, and QB説明３年　分数のたし算とひき算 every 33 months. Most recently, そろばんを1から覚える初心者のためのそろばん教室 was updated on November 6, 2026 and QB説明３年　分数のたし算とひき算 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.*