Busy Division vs SimpleMath
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Busy Division
Practice division skills with this brain training game. Choose from multiple difficulty levels and two distinct modes: endless training or a timed challenge to test your speed and accuracy.
- Division problem solving
- Multiple choice answers
- Endless training mode
- Timed challenge mode
- Adjustable difficulty levels
- Online leaderboards
Read full descriptionHide full description
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
SimpleMath
Engage in quick mental math challenges across four modes: addition, subtraction, multiplication, and division. Aim for high scores by solving problems accurately and speedily within a time limit. Review your answers after each game to improve your skills.
- Four calculation modes
- Adjustable difficulty levels
- Timed challenges
- Score tracking
- Answer review
- Daily brain training
Read full descriptionHide full description
■ How to play ■ All 4 modes (addition, subtraction, multiplication, division) are prepared. 1. Choose your favorite calculation method 2. Choose difficulty level 3. Game Start! Let's solve many questions within the time limit. Every time you answer correctly, time and score will increase. Be careful as time decreases if it is incorrect! You can get a high score by clearing difficult questions. Speedy and accurate solving is a hint to high score. Since we can review the question after the end of one game, It is also possible to recheck the question solved. Please use it for your daily brain train.
Screenshots
Verdict
The clearest difference is ads: SimpleMath at none against Busy Division's shown. SimpleMath also leads on update cadence (every 11 days vs every 2 months) and monetization model (free vs ad-supported). On price, review sentiment, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Busy Division ships an update every 2 months, SimpleMath every 11 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | Busy Division | SimpleMath |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 12 — better | — |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 170 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | teruhisa nagato | Tatsuhiro Yamashita |
Customer experience
Busy Division
SimpleMath
In-app purchases
Busy Division
No in-app purchases
SimpleMath
No in-app purchases
Questions
Is Busy Division free?
Is SimpleMath free?
Do Busy Division or SimpleMath have ads?
Which is updated more often, Busy Division or SimpleMath?
Other comparisons















