# SoroTouch Mental Calculation vs 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！

The clearest difference is rating: 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ at 5.0 against SoroTouch Mental Calculation's 2.3. 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ also leads on review sentiment (45% vs 32%) and update cadence (every 3 weeks vs every 2 months). SoroTouch Mental Calculation's advantage is in-app purchases (none vs 10) and ratings volume (39 vs 8). On price and ads there is nothing between them.

Both are free to download. 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ sells 10 in-app purchases, starting at $4.99 per month. SoroTouch Mental Calculation asks for nothing beyond the download.

学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 39 and 8 respectively. Written reviews point the same way: 32% of SoroTouch Mental Calculation's written reviews are positive against 45% of 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！'s.

SoroTouch Mental Calculation ships an update every 2 months, 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SoroTouch Mental Calculation | 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (39 ratings)](https://appshunter.io/ios/app/sorotouch-mental-calculation/id1153930190/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/id6444248860/reviews)** |
| Number of ratings | **39** | 8 |
| Positive reviews | 32.1% of reviews | **45.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 460 MB | 799 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SoroTouch Co., Ltd.](https://appshunter.io/developer/927820962) | [Gakken CO.,LTD](https://appshunter.io/developer/294791161) |

## What reviewers say

### SoroTouch Mental Calculation

[App page](https://appshunter.io/ios/app/sorotouch-mental-calculation/id1153930190)

This app teaches abacus method mental calculation using patented imaging technology. Designed for children aged 5-8, it offers games and rankings to enhance math skills through daily practice. It requires membership registration via a web portal.

**Highlights:** Abacus method mental calculation, Imaging skills training, Daily missions and games, Progress tracking and rankings, Visible and Invisible modes, Audio and rhythm-based learning

**In-app purchases:** none


### 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！

[App page](https://appshunter.io/ios/app/id6444248860)

This app transforms math and Japanese language learning for elementary students into an engaging battle game. It covers a wide range of curriculum for grades 1-4, helping children master concepts through repeated practice and motivating them with collectible dragons. Parents can monitor progress and set limits.

**Highlights:** Battle game format for motivation, Covers grades 1-4 math and Japanese, Collectible and upgradeable dragons, Daily and challenge missions, Parental progress tracking, Ad-free experience

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小１算数１ヶ月プラン | $4.99 | per month |
| 小４算数３ヶ月プラン | $9.99 | per 3 months |
| 小１算数６ヶ月プラン | $11.99 | per 6 months |
| 小２算数６ヶ月プラン | $11.99 | per 6 months |
| 小１算数・国語２教科セット３ヶ月プラン | $14.99 | per 3 months |
| 小１算数・国語２教科セット６ヶ月プラン | $22.99 | per 6 months |
| 小１算数・国語２教科セット１年プラン | $39.99 | per year |
| 小１算数　全単元 | $4.99 | one-time |
| 小２算数　全単元 | $4.99 | one-time |
| 小３算数　全単元 | $4.99 | one-time |


## Frequently asked questions

### Is SoroTouch Mental Calculation free?

SoroTouch Mental Calculation is free to download, with no in-app purchases.

### Is 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ free?

学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ is free to download, with in-app purchases available.

### Which has better reviews, SoroTouch Mental Calculation or 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！?

学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ is rated higher. SoroTouch Mental Calculation averages 2.3 out of 5 from 39 ratings, while 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ averages 5.0 from 8 ratings.

### Do SoroTouch Mental Calculation or 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ have ads?

Neither SoroTouch Mental Calculation nor 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ shows ads.

### Which is updated more often, SoroTouch Mental Calculation or 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！?

SoroTouch Mental Calculation ships an update every 2 months, and 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ every 3 weeks. Most recently, SoroTouch Mental Calculation was updated on November 2, 2026 and 学研ドラゴンドリル 算数/国語の学習アプリで学ぼう！ on November 3, 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.*