# Simple Soroban (Abacus) — Japanese abacus with tutorials

> Free Japanese abacus app with tutorials for learning and practicing arithmetic. (iPhone/iPad app by Bruno Takahashi Carvalhas de Oliveira.)

- Source: https://appshunter.io/ios/app/simple-soroban-abacus/id6787463185 (this page in markdown: same URL + `.md`)
- Developer: [Bruno Takahashi Carvalhas de Oliveira](https://appshunter.io/developer/1860732734)
- Category: Education, Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 18.3 · 3 MB
- Languages: American English, Arabic, French (France), Japanese, European Portuguese, Russian, European Spanish
- Released: 2026-07-30
- Data updated: 2026-09-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/simple-soroban-abacus/id6787463185/reviews.md

## What is Simple Soroban (Abacus)?

Simple Soroban is a complete Japanese abacus in your pocket. Whether you are discovering the soroban for the first time or training for serious mental calculation, everything is included and everything is free. It's multi-touch and configurable, so it feels like a real soroban.

LEARN
Step-by-step interactive tutorials teach you addition, subtraction, multiplication and division from scratch. No prior knowledge needed: you will learn how to read the beads, manipulate numbers, use complements, and carry across columns at your own pace.

PRACTICE
Freeform mode: a realistic soroban, for homework, checkout sums or just playing with numbers
Relax mode: solve calculations at your own pace and earn badges as you progress
Challenge mode: race the clock and push your calculation speed to the next level
Anzan mode: hides the beads so you manipulate the soroban in your mind, a technique used by mental calculation champions in Japan

MAKE IT YOURS
Choose between a 7-column or 9-column soroban
Multiple color themes
Plenty of settings to adapt the abacus to how you practice

FREE, REALLY
No ads. No in-app purchases. No accounts. No data collection. Simple Soroban is completely free, with nothing to unlock and nothing tracking you. Already trusted by millions of learners on Android, now available on iPhone. Whether you are a student learning arithmetic, a teacher looking for a classroom tool, or an adult keeping your mind sharp, Simple Soroban gives you the full path from your first bead flick to calculating entirely in your head.

## Key features

- Interactive tutorials for arithmetic
- Freeform, Relax, Challenge, and Anzan modes
- Configurable 7 or 9-column soroban
- Multiple color themes
- No ads or in-app purchases
- Mental calculation training


## Frequently asked questions about Simple Soroban (Abacus)

### How does Simple Soroban teach arithmetic?

Simple Soroban offers step-by-step interactive tutorials that guide users through addition, subtraction, multiplication, and division. These tutorials cover reading beads, manipulating numbers, using complements, and carrying across columns at the user's own pace.

### What practice modes are available in Simple Soroban?

The app features Freeform mode for general use, Relax mode for self-paced calculations with badges, Challenge mode for timed exercises, and Anzan mode for mental calculation practice by hiding the beads.

### Can I customize the abacus in Simple Soroban?

Yes, users can choose between a 7-column or 9-column soroban and select from multiple color themes. Numerous settings are available to adapt the abacus to individual practice preferences.

### Is Simple Soroban free to use?

Yes, Simple Soroban is completely free with no ads, no in-app purchases, no accounts, and no data collection. It is designed to be fully accessible without any hidden costs or tracking.

### What devices does Simple Soroban support?

Simple Soroban is available for iPhone and iPad, supporting iOS devices.

### What is the age rating for Simple Soroban?

The app has an age rating of 4+, making it suitable for young learners and older individuals alike.

### How often is Simple Soroban updated?

The app was last updated on July 30, 2026, with version 1.0. Future updates will likely continue to enhance its features and performance.

### Does Simple Soroban have ads?

No, Simple Soroban is completely free and does not contain any advertisements.

## Version history (last 1 release)

### 1.0 — 2026-07-30

No release notes.

## More apps by Bruno Takahashi Carvalhas de Oliveira

- [Latinicola](https://appshunter.io/ios/app/latinicola/id6756457481)
- [Bookhand](https://appshunter.io/ios/app/bookhand/id6802374272)

All apps by Bruno Takahashi Carvalhas de Oliveira: https://appshunter.io/developer/1860732734

## Related topics

[soroban abacus dojo](https://appshunter.io/ios/topics/soroban-abacus-dojo) · [izumi laos](https://appshunter.io/ios/topics/izumi-laos) · [soroban](https://appshunter.io/ios/topics/soroban)

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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 2026-09-03.*