# SoroTouch Mental Calculation vs 小学校の漢字 勉強

The clearest difference is review sentiment: 小学校の漢字 勉強 at 91% against SoroTouch Mental Calculation's 32%. 小学校の漢字 勉強 also leads on rating (4.8 vs 2.3) and device support (3 vs 1). SoroTouch Mental Calculation's advantage is in-app purchases (none vs 8) and ads (none vs shown). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. 小学校の漢字 勉強 sells 8 one-off in-app purchases. SoroTouch Mental Calculation asks for nothing beyond the download.

小学校の漢字 勉強 holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 39 and 154 respectively. Written reviews point the same way: 32% of SoroTouch Mental Calculation's written reviews are positive against 91% of 小学校の漢字 勉強's.

SoroTouch Mental Calculation ships an update every 2 months, 小学校の漢字 勉強 monthly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SoroTouch Mental Calculation | 小学校の漢字 勉強 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (39 ratings)](https://appshunter.io/ios/app/sorotouch-mental-calculation/id1153930190/reviews) | **[4.8 (154 ratings)](https://appshunter.io/ios/app/id1519144792/reviews)** |
| Number of ratings | 39 | **154** |
| Positive reviews | 32.1% of reviews | **90.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 460 MB | 230 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SoroTouch Co., Ltd.](https://appshunter.io/developer/927820962) | [Kazue Kuga](https://appshunter.io/developer/1176540678) |

## 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


### 小学校の漢字 勉強

[App page](https://appshunter.io/ios/app/id1519144792)

This app helps elementary school students learn Kanji writing through interactive drills and fun quizzes. It focuses on stroke order and dynamic pen width for beautiful letter formation, aiding in reading comprehension and test preparation.

**Highlights:** Kanji writing practice, Stroke order guidance, Dynamic pen width, Interactive Kanji quizzes, Grade 1-6 Kanji coverage, Test preparation

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Pack for 1st Grade | $2.99 | one-time |
| Additional Pack for 2nd Grade | $2.99 | one-time |
| Additional Pack for 3rd Grade | $2.99 | one-time |
| Additional Pack for 4th Grade | $2.99 | one-time |
| Additional Pack for 5th Grade | $2.99 | one-time |
| Additional Pack for 6th Grade | $2.99 | one-time |
| Additional Pack for All Grades | $11.99 | one-time |
| Additional Pack for All Grades | $17.99 | one-time |


## Frequently asked questions

### Is SoroTouch Mental Calculation free?

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

### Is 小学校の漢字 勉強 free?

小学校の漢字 勉強 is free to download, with in-app purchases available.

### Which has better reviews, SoroTouch Mental Calculation or 小学校の漢字 勉強?

小学校の漢字 勉強 is rated higher. SoroTouch Mental Calculation averages 2.3 out of 5 from 39 ratings, while 小学校の漢字 勉強 averages 4.8 from 154 ratings.

### Do SoroTouch Mental Calculation or 小学校の漢字 勉強 have ads?

小学校の漢字 勉強 shows ads; SoroTouch Mental Calculation does not.

### Which is updated more often, SoroTouch Mental Calculation or 小学校の漢字 勉強?

SoroTouch Mental Calculation ships an update every 2 months, and 小学校の漢字 勉強 monthly. Most recently, SoroTouch Mental Calculation was updated on October 15, 2026 and 小学校の漢字 勉強 on October 16, 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.*