# Busy Division — Brain training game > A division math game with training and challenge modes. (iPhone/iPad app by teruhisa nagato.) - Source: https://appshunter.io/ios/app/busy-division/id1182665914 (this page in markdown: same URL + `.md`) - Developer: [teruhisa nagato](https://appshunter.io/developer/1034153997) - Category: Games, Education, Puzzle, Word - Price: Free - Rating: 4.18/5 from 11 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 170 MB - Languages: Japanese - Released: 2016-12-06 - Data updated: 2026-08-13 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/busy-division/id1182665914/reviews.md ## What is Busy Division? Second of a "BUSY" series!! Let's try to do Busy Division! 【How to play】 ・You cipher for 「Division」pop up one after another on the whiteboard. ・Select the correct answer from multiple answers on front side note. ・It is 2 modes of 「Repeat Training Mode」and 「Challenging Mode」. ・You can select challenge level from 「Easy」「Normal」「Hard」「Extra」 「Repeat Training Mode」 ・As the name suggests, It is endless mode and in here you can training freely. ・Repeat training is important to arithmetic. You learn by doing it iteratively. ・Touch the End button on the screen, you can end the game. Number of your correct answers and total time are display on the screen. 「Challenging Mode」 ・In this mode, the time limit of 6 minutes. And it will test your speed of answering and accuracy. So it's best to check your ability. ・ The speed of questions increases gradually as continuous correct answers continue! New system "boost". ・Link up with Ranking System. Post on your score and compete for scores with your rivals. It's NEW!! New Challenge Level「Extra」 ・This division is indivisible by 「redundancy」! ・Select two answers of「Quotient」and「Remainder」from answer candidates. ・Quotient candidate is black, Remainder candidate is pink.(each 4 choices） 「Providing Materials」 Images「Illustration AC」 http://www.ac-illust.com Special Effects「Music is VFR」 http://musicisvfr.com Voice「Machi Minase」 https://twitter.com/mikic_ton Rendering Audio「Mitsuteru Nagato」 https://twitter.com/mitieru_kun Special Thanks「Riverion」 http://revellion.net ## Key features - Division problem solving - Multiple choice answers - Endless training mode - Timed challenge mode - Adjustable difficulty levels - Online leaderboards ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/busy-division/id1182665914/reviews.md ### 5/5 — Huh Juh Su *2024-03-02* Daejon. Busan Seoul Quiz,pls ## Frequently asked questions about Busy Division ### What is Busy Division? Busy Division is a brain training game designed to help users practice and improve their division skills through interactive gameplay. It offers various modes and difficulty settings to cater to different learning paces. ### What are the game modes in Busy Division? Busy Division features two main modes: 'Repeat Training Mode' for endless practice and learning through repetition, and 'Challenging Mode' which is a timed test of speed and accuracy. ### Can I adjust the difficulty in Busy Division? Yes, Busy Division allows you to select your challenge level from 'Easy', 'Normal', 'Hard', and a new 'Extra' level for indivisible divisions. ### Does Busy Division have ads? Yes, Busy Division contains advertisements. As a free game, ads are used to support its development and availability. ### How does the 'Challenging Mode' work in Busy Division? In 'Challenging Mode', you have a 6-minute time limit to answer division problems. The speed of questions increases with continuous correct answers, and a 'boost' system is activated. ### Is Busy Division available on different devices? Busy Division is supported on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users. ### How often is Busy Division updated? The latest version of Busy Division is 2.5.2, and it was last updated on April 6, 2021. This indicates a history of updates and ongoing support from the developer. ### Does Busy Division have a multiplayer or competitive feature? Busy Division includes a Ranking System in its 'Challenging Mode' where you can post your scores and compete with others, adding a competitive element to the gameplay. ## Version history (last 5 releases) ### 2.5.2 — 2021-04-06 ・Updated the advertising SDK to the latest version. ### 2.4.1 — 2020-08-22 ・Renewed the ranking display ・Changed the display of ranking TOP5 score tie ・Added series app advertisement ・Fixed UI ・Fixed minor bugs ### 2.3.0 — 2019-08-28 ・Changed answer method from drag to tap. ・Changed the answer candidate UI. ・Other bugs were fixed. ### 2.2.0 — 2019-08-07 ・UI renewal. ・Fixed other bugs. ### 2.1.3 — 2019-06-20 ・ Changed to display version on title screen. ・ Others, fixed the problem. ## More apps by teruhisa nagato - [カラフルしゃぼんだま](https://appshunter.io/ios/app/id1052997918) - [Busy Multiplication](https://appshunter.io/ios/app/busy-multiplication/id1078052649) - [Space !Bump](https://appshunter.io/ios/app/space-bump/id1132602553) - [Busy Binary](https://appshunter.io/ios/app/busy-binary/id1273591168) - [絶対迷路](https://appshunter.io/ios/app/id1416998400) All apps by teruhisa nagato: https://appshunter.io/developer/1034153997 --- *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 2026-08-13.*