Simple Soroban

Name: Simple Soroban
Availability: InStock
Rating: 4.583333492279053 (10167 reviews)
Author: Btco

Btco

4.6

10.2K reviews

1M+

Downloads

PEGI 3

About this app

This application is a simple Japanese abacus (soroban / そろばん). It has a free mode where you can use the abacus freely, and a challenge mode with 4 operations (addition, subtraction, one and two digit multiplication, and division) and 3 difficulty levels (easy, medium, hard) where you must race against the clock to perform calculations.

Contains tutorials for:
* basic concepts
* addition
* subtraction
* one-digit multiplication
* two-digit multiplication
* division

Also has a custom challenge mode where you can set the number of questions, type of questions and difficulty.

(This is just a hobby project I'm doing for fun. This app is free and doesn't have in-app purchases or ads).

[PERMISSIONS USAGE]
This is a description of how permissions are used in this app.
Vibrate: The application can vibrate the phone to give user feedback. This can be enabled/disabled in the Settings screen.

[PRIVACY]
This application does not collect or transmit any data. Your settings, ranking and challenge times are stored locally on your phone only.
You can view the privacy policy here: http://bit.ly/simple-soroban-privacy

Updated on

Aug 11, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.

No data shared with third parties

Learn more about how developers declare sharing

No data collected

Learn more about how developers declare collection

Ratings and reviews

4.4

9.22K reviews

Lena Hinés

August 18, 2025

I love this app so much, I appreciate how it's free to use, and I enjoy studying on it. I do find that the sound effects for the correct answers are a bit too loud compared to the beads movement sounds, and as an auditory learner the sounds of the beads' movements help me focus while learning. It would be great if the app allowed the beads sounds and the feedback sounds to be adjusted separately, so I wouldn't have to put my sound settings all the way up just to hear the beads.

N Piazza

May 11, 2025

i have never reviewed a damn thing on this app store, but in the year of 2025, this app has no ads, no music, no purchases, and is entirely offline. i truly appreciate the integrity of the developer, and i went out of my way to leave a review, as there arent any pop-ups asking you to. the tutorials and challenges are simple, clear, really got me from zero to adding five digit numbers. i havent done this much math since high school, and im thoroughly enjoying it.

28 people found this review helpful

José Vitor Lobo

July 8, 2025

ad free, no purchases, all simple and plain, and I would say, complete as it is. I love the app, and it is allowing me to learn how to use the Soroban. I watch some videos because I like to understand the logic behind what I'm doing, and this was the only thing I found "lacking" in the app. There are tutorials, but they seemed a bit plain for what I needed. Still it was and is a great tool that will help me a lot until I get my own soroban, and I'll still use it when I can't carry mine around

11 people found this review helpful