# SoroTouch Mental Calculation vs Abacutor

The clearest difference is rating: Abacutor at 3.8 against SoroTouch Mental Calculation's 2.3. Abacutor also leads on monetization model (free vs subscription) and device support (3 vs 1). SoroTouch Mental Calculation's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Abacutor holds the better App Store score, 3.8 against 2.3. Both are backed by a comparable volume of ratings — 39 and 29 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SoroTouch Mental Calculation | Abacutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (39 ratings)](https://appshunter.io/ios/app/sorotouch-mental-calculation/id1153930190/reviews) | **[3.8 (29 ratings)](https://appshunter.io/ios/app/abacutor/id1469765610/reviews)** |
| Number of ratings | **39** | 29 |
| Positive reviews | 32.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 460 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SoroTouch Co., Ltd.](https://appshunter.io/developer/927820962) | [Soroban League North America Corp](https://appshunter.io/developer/1896639256) |

## 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


### Abacutor

[App page](https://appshunter.io/ios/app/abacutor/id1469765610)

This app serves as a digital abacus for students to practice mental math and abacus skills. Teachers can assign homework and monitor student progress in real-time, facilitating faster learning.

**Highlights:** Digital abacus simulation, Mental math (Anzan) training, Homework assignment and management, Real-time student progress monitoring, Abacus and Soroban method, Classwork and homework tool

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

**In-app purchases:** none


## Frequently asked questions

### Is SoroTouch Mental Calculation free?

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

### Is Abacutor free?

Abacutor is free to download, with no in-app purchases.

### Which has better reviews, SoroTouch Mental Calculation or Abacutor?

Abacutor is rated higher. SoroTouch Mental Calculation averages 2.3 out of 5 from 39 ratings, while Abacutor averages 3.8 from 29 ratings.

### Do SoroTouch Mental Calculation or Abacutor have ads?

Neither SoroTouch Mental Calculation nor Abacutor shows ads.

### Which is updated more often, SoroTouch Mental Calculation or Abacutor?

SoroTouch Mental Calculation ships an update every 2 months, and Abacutor every 2 months. Most recently, SoroTouch Mental Calculation was updated on September 24, 2026 and Abacutor on September 18, 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.*