# 百Math - Calculation App - — 100 Square Calculation App

> Mental math trainer with 100 problems, progress tracking, and global leaderboards. (iPhone/iPad app by naoya saito.)

- Source: https://appshunter.io/ios/app/math-calculation-app/id1576521639 (this page in markdown: same URL + `.md`)
- Developer: [naoya saito](https://appshunter.io/developer/1576521641)
- Category: Education, Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 18 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2021-07-17
- Data updated: 2026-08-11
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/math-calculation-app/id1576521639/reviews.md

## What is 百Math?

When did you last do mental math without reaching for your phone?

百Math was built by an engineer who realized he'd become too dependent on calculators and AI to do even simple arithmetic. This app is his answer — and maybe yours too.

Trusted by users for 5 years, 百Math is a no-frills 100-problem calculation trainer. Solve all 100 as fast as you can, track your progress, and compete on the global leaderboard.

【Key Features】
・4 Modes: Addition, Subtraction, Multiplication, and Division
・Schulte Table — a visual search game that sharpens your peripheral vision and focus
・Flash Calculation — a new mode that trains your instant recall
・Ghost Race — compete against your personal best
・Heatmap to spot your weak spots
・Clean, distraction-free design
・Global ranking system
・Streak counter, average time, and time chart to track improvement
・Home screen widget for quick access

## Key features

- 100-problem calculation trainer
- Addition, Subtraction, Multiplication, Division modes
- Progress tracking (streak, average time, charts)
- Global ranking system
- Distraction-free design
- Home screen widget

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/math-calculation-app/id1576521639/reviews.md

### 3/5 — 数字キーの配置を

*2024-06-19, version 1.4.1*

一部の電卓と同じ配置にできるようにしていただきたい。

### 5/5 — タロウ

*2021-07-19, version 1.0.0*

センスあふれるアプリです！

## Frequently asked questions about 百Math

### What is 百Math?

百Math is a 100-problem calculation trainer designed to improve users' mental arithmetic skills. It offers four modes: addition, subtraction, multiplication, and division, with features to track progress and compete globally.

### What are the different modes in 百Math?

百Math includes four distinct modes for practice: Addition, Subtraction, Multiplication, and Division. This allows users to focus on specific arithmetic operations or practice a mix.

### How does 百Math help track progress?

The app provides a streak counter, average time for completing problems, and a time chart to visualize improvement over time. This data helps users monitor their development in mental math.

### Is 百Math available on multiple devices?

Yes, 百Math is supported on both iPhone and iPad devices. This allows users to practice mental math on their preferred Apple mobile device.

### Does 百Math have ads?

Yes, 百Math contains advertisements. As a free application, ads are displayed to support its continued development and availability.

### What is the age rating for 百Math?

百Math has an age rating of 4+, making it suitable for a wide range of users, including children and adults looking to practice their arithmetic skills.

### How often is 百Math updated?

The latest version of 百Math is 2.4.1, last updated on May 5, 2026. This indicates a recent update, suggesting ongoing maintenance and potential improvements.

### Can I use 百Math offline?

The provided information does not specify offline functionality. However, given its nature as a calculation trainer, it is likely to function without an internet connection for core features.

## Version history (last 5 releases)

### 3.1.1 — 2026-08-06

Thank you for using 百Math!
Here's what's new in this update:

・Fixed an issue related to ad display
・Minor bug fixes and improvements

### 3.1.0 — 2026-08-05

Thank you for using 百Math!
Here's what's new in this update:

・Added a new mode, "Schulte Table" — a visual training game where you tap numbers 1 to 100 in order (grid size selectable)
・Fixed an issue affecting free ticket rewards
・Minor bug fixes and improvements

### 3.0.0 — 2026-07-30

Thank you for using 百Math!
Here's what's new in this update:

・Added a new mode, "Flash Calculation" — numbers flash for a moment, training your instant recall
・Redesigned the home screen with tab navigation for Home, Records, Ranking, and Settings
・Added an option to purchase ad removal
・Minor bug fixes and improvements

### 2.9.0 — 2026-07-13

Thank you for using 百Math!
Here's what's new in this update:

・Added a heatmap to help you spot your weak spots
・Added a celebration effect when you beat your best record
・Added an in-app contact feature
・Minor bug fixes and improvements

### 2.8.1 — 2026-06-22

Thank you for using 百Math!
Here's what's new in this update:

・Optimized ad display
・Minor bug fixes and improvements

## Apps similar to 百Math

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [99 More - App for Mental Math](https://appshunter.io/ios/app/99-more-app-for-mental-math/id6446323889) | — | Free | Education |
| [100ます計算-算数でコツコツ宝探し100マス計算](https://appshunter.io/ios/app/100-100/id1623952451) | 5.0 (1) | Free | Education |
| [毎日１００マス](https://appshunter.io/ios/app/id1382206263) | — | Free | Education |
| [Fast100Math](https://appshunter.io/ios/app/fast100math/id6739807220) | — | Free | Education |
| [100 Squares Calc](https://appshunter.io/ios/app/100-squares-calc/id534131439) | 4.9 (8) | Free | Education |
| [100 Square Calc: Add & Mul](https://appshunter.io/ios/app/100-square-calc-add-and-mul/id1598691332) | — | Free | Education |

## More apps by naoya saito

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All apps by naoya saito: https://appshunter.io/developer/1576521641

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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 2026-08-11.*