Simple Soroban
Simple Soroban Summary
Simple Soroban is a mobile Android app in Education by Btco. Released in Aug 2014 (11 years ago). It has about 1.5M+ installs and 10.6K ratings with a 4.84★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 15.8K monthly active users . Store metadata: updated Aug 11, 2024, version 214.
Recent activity: 3.2K installs this week (12.4K over 4 weeks) showing steady growth , and 14 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on May 7, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on May 10, 2026.
Store info: Last updated on Google Play on Aug 11, 2024 (version 214).
4.84★
Ratings: 10.6K
Screenshots
App Description
Simple soroban (Japanese abacus, そろばん)
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