Abacus Lesson -Multiplication-
Abacus Lesson -Multiplication- Summary
Abacus Lesson -Multiplication- is a ad-supported, with in-app purchases Android app in Education by Hirokuma.App. Released in Aug 2021 (4 years ago). It has about 29.3K+ installs and 211 ratings with a 4.58★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 507 monthly active users and generates around $<10K monthly revenue (52% IAP / 48% ads). Store metadata: updated Oct 12, 2025.
Recent activity: 96 installs this week (400 over 4 weeks) showing steady growth , and 1.00 new ratings this week View trends →
Store info: Last updated on Google Play on Oct 12, 2025 .
4.58★
Ratings: 211
Screenshots
App Description
This is the app that you can learn multiplication using an abacus.
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.
In the app, we will explain simple and fast method of the multiplication using the abacus.
To learn multiplication, it is essential to be able to add with an abacus.
If you are new to addition and subtraction, we recommend that You first learn with the following app.
https://play.google.com/store/apps/details?id=com.hirokuma.sorobanlesson
This app will give you the skill of calculation of multiplication.
◆Twitter
https://twitter.com/p4pLIabLM00qnqn
◆Instagram
https://www.instagram.com/hirokuma.app/