# HyakuRenZan

> Number puzzle game for training concentration, reaction, and calculation. (iPhone/iPad app by marge co., ltd..)

- Source: https://appshunter.io/ios/app/hyakurenzan/id484882923 (this page in markdown: same URL + `.md`)
- Developer: [marge co., ltd.](https://appshunter.io/developer/331850369)
- Category: Education, Games, Sports
- Price: Free
- Rating: 4.00/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 9 MB
- Languages: American English, Japanese
- Released: 2012-01-04
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hyakurenzan/id484882923/reviews.md

## What is HyakuRenZan?

The brain training application which trains concentration, reaction power, and calculation power! 
The easy rule which calculates the number located in each line vertically and horizontally. 
You will Play every day and will heighten the "brain's ability"! 

--- How to play 
HyakuRenZan is a game which competes for the time located in each line vertically and horizontally to calculate arrangement numbers at random and fill the field of 10x10 (the easy mode is 5x5). 
Game mode can be chosen from three kinds, addition, subtraction, and multiplication. 
Difficulty has easiness,normal and hard. 
The easy mode will be completion if a number buries all of the field of 5x5 by a single figure. 
The normal mode will be completion if a number buries all of the field of 10x10 by a single figure. 
The hard mode will be completion if a number buries all of the field of 10x10 by double figures. 

--- Assessment system
Five steps of evaluations are performed by Speed of calculation for every input. 
Since evaluation of "Excellent", "Great", "Good", "Fine", and "Bad" is performed in real time, it is followed as the guide of calculation speed. 

--- Visual records management 
The results for the 100 past are saved at game mode and given difficulty, and, in addition, the ranking by the 100th place of the past is also saved automatically. 
Record is displayed by the graph and can check change of calculation speed at a glance. 

--- GameCenter
You can register results into GameCenter. 
Compete with the expert of HyakuRenZan in the world!

## Key features

- Concentration, reaction, and calculation training
- Number arrangement puzzles
- Multiple game modes (addition, subtraction, multiplication)
- Adjustable difficulty levels
- Real-time calculation speed feedback
- Visual progress tracking with graphs
- Global leaderboards via GameCenter

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/hyakurenzan/id484882923/reviews.md

### 5/5 — Goodkid

*2014-02-08*

For my sister lol

### 3/5 — Good for math Pratice

*2012-01-04*

If u need help with math get this app

## Frequently asked questions about HyakuRenZan

### What is HyakuRenZan?

HyakuRenZan is a brain training application designed to enhance concentration, reaction power, and calculation ability through a number-based puzzle game. It features various modes and difficulty settings to challenge users.

### How do you play HyakuRenZan?

The game involves arranging numbers vertically and horizontally on a grid to calculate and fill the field. Players can choose from addition, subtraction, or multiplication modes with adjustable difficulty levels.

### What are the different game modes and difficulties in HyakuRenZan?

HyakuRenZan offers three game modes: addition, subtraction, and multiplication. Difficulty levels include easy (5x5 field with single figures), normal (10x10 field with single figures), and hard (10x10 field with double figures).

### Does HyakuRenZan track progress?

Yes, HyakuRenZan saves the results for the past 100 games for each mode and difficulty. It displays records using graphs, allowing users to monitor changes in their calculation speed over time.

### Can I compete with other players in HyakuRenZan?

HyakuRenZan supports GameCenter integration, allowing you to register your results and compete with other players worldwide. This feature helps you measure your performance against global experts.

### What devices is HyakuRenZan available on?

HyakuRenZan is available on iPhone and iPod devices. It is rated for ages 4 and up.

### How often is HyakuRenZan updated?

The latest version of HyakuRenZan is 1.2, which was released on October 19, 2015. The app was initially released on January 4, 2012.

### Does HyakuRenZan have ads?

No, HyakuRenZan is ad-free. The application is completely free to download and play without any advertisements.

## Version history (last 3 releases)

### 1.2 — 2015-10-19

This app has been updated by Apple to display the Apple Watch app icon.

Support for iOS 9.

### 1.1 — 2012-01-20

- Horizontal scrolling at the time of Normal and the Hard mode has been improved. 
- The style of the status bar was changed.

### 1.0 — 2012-01-04

No release notes.

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All apps by marge co., ltd.: https://appshunter.io/developer/331850369

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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 2026-06-05.*