# QB説明３年　分数のたし算とひき算 vs Oska Writing

The clearest difference is price: QB説明３年　分数のたし算とひき算 at $3.99 against Oska Writing's $18.99. Oska Writing's advantage is device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

QB説明３年　分数のたし算とひき算 costs $3.99 and Oska Writing $18.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QB説明３年　分数のたし算とひき算 ships an update every 33 months, Oska Writing every 17 months. The most recent releases landed on November 28, 2025 and October 24, 2026 respectively.

## The numbers

| Metric | QB説明３年　分数のたし算とひき算 | Oska Writing |
| --- | --- | --- |
| Price | **$3.99** | $18.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 17 months** |
| Monetization | — | Paid |
| Size | 7 MB | 3 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) | [Shoji Onishi](https://appshunter.io/developer/1528948690) |

## What reviewers say

### 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


### Oska Writing

[App page](https://appshunter.io/ios/app/oska-writing/id1528948688)

This app offers a unique approach to learning Kanji for children, especially those with learning disabilities. It incorporates various methods like stroke-by-stroke tracing, memory-based writing, and freehand drawing to cater to different learning styles and challenges.

**Highlights:** Adaptive Kanji learning methods, Stroke-by-stroke tracing with color customization, Memory-based writing exercises, Freehand drawing practice, Learning history tracking, Includes readings, idioms, and example sentences, Customizable writing styles and grid display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is Oska Writing free?

Oska Writing costs $18.99, with no in-app purchases.

### Do QB説明３年　分数のたし算とひき算 or Oska Writing have ads?

Neither QB説明３年　分数のたし算とひき算 nor Oska Writing shows ads.

### Which is updated more often, QB説明３年　分数のたし算とひき算 or Oska Writing?

QB説明３年　分数のたし算とひき算 ships an update every 33 months, and Oska Writing every 17 months. Most recently, QB説明３年　分数のたし算とひき算 was updated on November 28, 2025 and Oska Writing on October 24, 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.*