Abacus Lesson - ADD and SUB -

3.3.3

Hirokuma.App

4.81

7,043 reviews

100,000+
Downloads

Free

This is an app that you can learn addition and subtraction using an abacus.

Abacus Lesson - ADD and SUB - Screenshot 1 of 4

Abacus Lesson - ADD and SUB - Screenshot 2 of 4

Abacus Lesson - ADD and SUB - Screenshot 3 of 4

Abacus Lesson - ADD and SUB - Screenshot 4 of 4

About Abacus Lesson - ADD and SUB -

Abacus Lesson - ADD and SUB - is an education app developed by Hirokuma.App.

Download Statistics

Abacus Lesson - ADD and SUB - has been downloaded 490 thousand times. In the last 30 days, the app was downloaded 6.1 thousand times.

User Ratings

Abacus Lesson - ADD and SUB - is rated 4.81 out of 5 stars. The rating is based on 7 thousand ratings.

App Information

Abacus Lesson - ADD and SUB - is FREE to download. The APK download size is 45.24 MB. The latest version available is 3.3.3. The last update was on October 13, 2025.

Technical Requirements

Abacus Lesson - ADD and SUB - requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play August 2020.

Description

An abacus is named "Soroban" in Japan. Do you know what an abacus is? The abacus is very simple calculator used in China, Japan, Korea and so on. Some people may say "Isn't it an unnecessary tool if you have a calculator such as a smartphone?". Answer would be "No".

The biggest difference between electric calculators and the abacus is whether you need to hold it in your hand when calculating. Because of its simplicity, you will be able to easily use the abacus in your mind.

Imagine that you can use calculations of about 3 digits in your life without physical tools.

This app will give you the skill of calculation.

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Recent changes:
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More data about Abacus Lesson - ADD and SUB -

Price	Free to download
Total downloads	490 thousand
Recent downloads	6.1 thousand
Rating	4.81 based on 7 thousand ratings
Ranking	Not ranked
Version	3.3.3
APK size	45.2 MB
Number of libraries	23
Designed for Android	6.0+
Suitable for	Everyone
Ads	Contains ads

App Performance Report

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Alternative downloads for the Abacus Lesson - ADD and SUB - app

Abacus Lesson - ADD and SUB - compared with similar apps

Common keywords of similar apps

Japan Https Abacus App Calculator

Keywords missing from this app

Calculations Converter Calculation Simple Math Electrical Scientific Basic Currency Conversion Addition Calculate Numbers Subtraction Unit History Easy Quick Division Loan Emi Multiplication Accurate Daily Tool Support Everyday Results Percentage Free Functions Motor Features Recent Fast Financial Power Voltage Wire Interest Convert Advanced Tools Operations Time Volume Perform

Google Play Rating history and histogram

Rating history

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6.3K

340

130

Downloads over time

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Abacus Lesson - ADD and SUB - has been downloaded 490 thousand times. Over the past 30 days, it averaged 200 downloads per day.

Changelog of Abacus Lesson - ADD and SUB -

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Developer information for Hirokuma.App

Hirokuma.App

hirokuma.app@gmail.com

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Comments on Abacus Lesson - ADD and SUB - for Android

★★★★★ butterfly piyusha · Apr 27, 2026

My experience is far better than expected yeah it is quite better, and it is helping me to learn it in a fun way if you are new or beginner then you should definitely try this thanks to the Japanese person who had made the app I absolutely appreciate him or her whoever it is has thought everything that we need to learn about abacus, and it has a proper lesson plan and everything I just appreciate everything in this app for better than I expected, and I don't have any issue currently don't play game

★★★★★ Govind Anilkumar · Mar 23, 2026

Great for beginners. Excellent introduction chapters. I'm taking Abacus for the very first time in my life and the app lessons are teaching me really well. Keep up the good work. Thanks a lot !!

★★☆☆☆ Akarina · Mar 12, 2026

So I got a right answer, but it was marked wrong (maybe because of a different way on how to count it?)

★★☆☆☆ Jennifer Goudge (Jen) · Mar 3, 2026

Great until lesson 3. Part way through there are required ads (that's fine it's a free app), however, even after letting said ads play, you can't exit the ads to continue the lesson 3 practice. There's an X in the top left corner after the ads, but it does nothing, so you can't access anything beyond two practice sessions into lesson 3.

Google Play Rankings for Abacus Lesson - ADD and SUB -

This app is not ranked

Technologies used by Abacus Lesson - ADD and SUB -

9 permissions · 23 libraries

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