# MiSoroban: Japanese Abacus — Maths and Mental Calculation

> Maths and Mental Calculation (iPhone/iPad app by Ricardo Ahumada.)

- Source: https://appshunter.io/ios/app/misoroban-japanese-abacus/id6484265986 (this page in markdown: same URL + `.md`)
- Developer: [Ricardo Ahumada](https://appshunter.io/developer/1555700427)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 55 MB
- Languages: American English
- Released: 2024-05-02
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/misoroban-japanese-abacus/id6484265986/reviews.md

## What is MiSoroban?

Welcome to MiSoroban, the app that offers an effective method to learn another way of working with numbers (manipulating and visualizing them), have fun with mathematics, learn to concentrate, pay more attention, and reason.

With MiSoroban, you will achieve:

* Learn quickly and effectively
  - With a method tailored to your age
  - With clear milestones that guide you along the way
  - With videos, examples, exercises, and games

* Improve concentration and attention
  - With activities designed to activate your mind
  - With dynamics that promote full attention
  - Without ads or distractions

* Stimulate both hemispheres of your brain
  - Use your reasoning to overcome challenges
  - Touch and feel the numbers
  - Visualize the abacus and operations in your mind

The app contains:
* Complete course to learn to add, subtract, multiply, and divide:
  - Divided into levels
  - Adjustable by age range
  - Video tutorials
  - Exercises to use the abacus
  - Exercises to visualize the abacus
  - Calculation challenges
  - Level tests

* Section to practice what you've learned:
  - Addition, subtraction, multiplication, and division
  - 3 levels

* Challenge section:
  - Various challenges to test your mental agility and concentration
  - Earn points for each challenge


By downloading or using this app, you agree to Apple's Terms of Use: 
https://www.apple.com/legal/internet-services/terms/site.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Quarterly subscription | $4.99 | per 3 months |
| Yearly subscription | $12.99 | per year |
| Teacher's subscription 1 class | $6.99 | per month |
| Teacher subscription 5 classes | $17.99 | per month |



## Version history (last 5 releases)

### 0.3.06 — 2026-08-13

- Corrections to addition and subtraction errors on the board.
- Mental Calculator adjustments
- Button adjustments
- New feature: "Strike"

### 0.3.01 — 2026-06-07

- Improvements to mental math exercises
- Improvements to balloon exercises
- Improvements to results
- Improvements to exercise times
- Improvements to the "Refine" section

### 0.2.16 — 2026-01-15

- Video improvements
- Point management improvements

### 0.2.15 — 2026-01-09

- Improvements to mental math exercises
- Ranking section
- Security improvements

### 0.2.14 — 2025-11-17

- Improvements to subscription management
- Improved sharing features
- Improved welcome screens

## Apps similar to MiSoroban

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Soroban: Abacus & Mental Math](https://appshunter.io/ios/app/soroban-abacus-and-mental-math/id6743341778) | 4.5 (19) | Free | Education |
| [Bababot - Abacus Math For Kids](https://appshunter.io/ios/app/bababot-abacus-math-for-kids/id6446885356) | 4.3 (3) | Free | Education |
| [Matsy Abacus](https://appshunter.io/ios/app/matsy-abacus/id1439473353) | 4.9 (30) | Free | Education |
| [Flash Mental Math (Anzan)](https://appshunter.io/ios/app/flash-mental-math-anzan/id6749636736) | 5.0 (3) | Free | Education |
| [Flash Mental Math - Simple](https://appshunter.io/ios/app/flash-mental-math-simple/id1547944841) | 4.7 (18) | Free | Education |
| [Soroban - Japanese Abacus](https://appshunter.io/ios/app/soroban-japanese-abacus/id6756285265) | — | Free | Education |

## More apps by Ricardo Ahumada

- [AED Training Box](https://appshunter.io/ios/app/aed-training-box/id1669054200)

All apps by Ricardo Ahumada: https://appshunter.io/developer/1555700427

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*