# MentalCalculation & Abacus Pro — Do Mental Calculation & Abacus

> Abacus and mental calculation practice game with tutorial. (iPhone/iPad app by Park Jisang.)

- Source: https://appshunter.io/ios/app/mentalcalculation-and-abacus-pro/id6474296462 (this page in markdown: same URL + `.md`)
- Developer: [Park Jisang](https://appshunter.io/developer/995438886)
- Category: Games, Education, Casual, Trivia
- Price: $0.99
- Age rating: 4+
- Requires: iOS 12.0 · 144 MB
- Languages: American English, Japanese, Korean
- Released: 2023-12-19
- Data updated: 2026-09-04
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/mentalcalculation-and-abacus-pro/id6474296462/reviews.md

## What is MentalCalculation & Abacus Pro?

[ Pro version bonus ]
* No forced ads that appear every 5 minutes of play time
* Significant increase in recharge amount when watching coin recharge advertisements

[ Mental Calculation & Abacus ]
Play the best Mental Calculation and Abacus game!

* Practice with a variety of questions
* Easy tutorial for learning Abacus

## Key features

- Mental calculation practice
- Abacus learning tutorial
- Variety of practice questions
- Pro version benefits
- No forced ads

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/mentalcalculation-and-abacus-pro/id6474296462/reviews.md

### 1/5 — 나눗셈 정답 입력방법

*2025-02-24*

나누어 떨어지지 않는 소수 입력이 자꾸 틀렸다고 하는데 어떤식으로 입력하나요

9÷2=4.5 이렇게 입력했는데 안 넘어가고

**Developer response:** "몫 구하기" 스테이지의 경우 몫만, "나머지" 스테이지의 경우 나머지만 입력하시면 됩니다.
9÷2=4.5 문제의 경우, "몫 구하기"는 몫인 4만 입력. "나머지"는 나머지인 1만 입력하세요.

너무 늦게 답변 드려서 죄송합니다.

### 1/5 — 돈내고 결제해서 광고봐야 플레이 가능?

*2024-09-29*

유료어플인데 플레이하려면 광고봐서 코인 모아야합니다 ㅋㅋㅋㅋ

**Developer response:** 무료 버전과 유료 버전이 있는데요.
무료 버전에서는 추가로 플레이 시간 5분마다 광고가 보여지고 유료 버전에서는 강제 광고가 안나오도록 구분했어요.
코인이 다 떨어지면 광고를 보고 충전하는 것은 무료 유료 버전 모두 동일합니다. 다만 유료 버전에서는 코인 충전량이 더 많습니다.
유료 어플인데 광고가 나와서 실망하셨을 마음에 충분히 공감합니다. 차후에 좀 더 좋은 유료 어플 기획을 준비할 수 있도록 참고하겠습니다.

## Frequently asked questions about MentalCalculation & Abacus Pro

### Does Mental Calculation & Abacus Pro have ads?

Yes, the app contains advertisements. The pro version offers an enhanced experience with no forced ads that appear every 5 minutes of playtime.

### What is the price of Mental Calculation & Abacus Pro?

Mental Calculation & Abacus Pro is a paid app priced at $0.99.

### What devices is Mental Calculation & Abacus Pro available on?

The app is available on iPhone, iPad, and iPod.

### What is the age rating for Mental Calculation & Abacus Pro?

The app has an age rating of 4+.

### How often is Mental Calculation & Abacus Pro updated?

The app was last updated on February 18, 2024, with version 1.016.

### Can I learn abacus with Mental Calculation & Abacus Pro?

Yes, the app includes an easy tutorial specifically for learning the abacus.

### What kind of practice questions are available in Mental Calculation & Abacus Pro?

The app offers a variety of questions to practice your mental calculation skills.

## Version history (last 3 releases)

### 1.016 — 2024-02-18

* The number in the number input window has been increased. (maximum 7 digits → maximum 10 digits)

### 1.015 — 2023-12-22

* Added star rating and review features

### 1.014 — 2023-12-19

No release notes.

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## More apps by Park Jisang

- [Succubus Poker](https://appshunter.io/ios/app/succubus-poker/id995438887)
- [Choco abacus](https://appshunter.io/ios/app/choco-abacus/id1104805279)
- [Shin Sam's Korean Word Quiz](https://appshunter.io/ios/app/shin-sams-korean-word-quiz/id1218671690)
- [Mental Calculation & Abacus](https://appshunter.io/ios/app/mental-calculation-and-abacus/id1582407909)

All apps by Park Jisang: https://appshunter.io/developer/995438886

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*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 2026-09-04.*