# 100 Square Calc: Add & Mul — Improve calculation skills

> 10x10 grid math practice app for addition and multiplication with progress tracking. (iPhone/iPad app by enoiu.)

- Source: https://appshunter.io/ios/app/100-square-calc-add-and-mul/id1598691332 (this page in markdown: same URL + `.md`)
- Developer: [enoiu](https://appshunter.io/developer/1595987496)
- Category: Education, Games, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 60 MB
- Languages: American English, Japanese
- Released: 2021-12-04
- Data updated: 2026-08-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/100-square-calc-add-and-mul/id1598691332/reviews.md

## What is 100 Square Calc?

10x10 simple 100 square calculation.
It supports addition and multiplication, and can record time on a graph.
Improves calculation skills and mental arithmetic skills, and helps train the brain.

Functions/Features
- Addition 100 Squares Calculation
- Multiplication 100 Squares Calculation
- Smooth numeric input
- Measure your time
- Record in graph
- Display personal best/average time
- Customization (dark mode, theme colors)
- Simple design compliant with Material Design

## Key features

- 100 square addition practice
- 100 square multiplication practice
- Time measurement and graphing
- Personal best and average time tracking
- Customizable themes and dark mode
- Smooth numeric input

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/100-square-calc-add-and-mul/id1598691332/reviews.md

### 4/5 — 楽しくない

*2026-04-22*

あまり楽しくない

### 1/5 — 少し寂しい

*2025-07-29*

なんか楽しみ欲しいなって思うんだけど、シンプルなのがまた良い

### 5/5 — 好き！

*2025-01-12*

もう迷う人は、入れて！

**Developer response:** レビューありがとうございます。

### 1/5 — Ggg

*2024-12-05*

Annoying 
Tina table

**Developer response:** Thank you for your feedback! Due to the inherent format of the 100-square calculation, it's difficult to significantly enlarge the table while keeping everything on screen. We appreciate you bringing this to our attention.

## Frequently asked questions about 100 Square Calc

### What math operations does 100 Square Calc support?

100 Square Calc supports both addition and multiplication within a 10x10 grid format. It is designed to help users practice and improve their skills in these fundamental arithmetic operations.

### How does 100 Square Calc help track progress?

The app measures the time taken to complete calculations and records this data on a graph. It also displays personal best and average times, allowing users to visualize their improvement over time.

### Can I customize the appearance of 100 Square Calc?

Yes, 100 Square Calc offers customization options including a dark mode and various theme colors. This allows users to personalize the app's appearance to their preference.

### What devices is 100 Square Calc available on?

100 Square Calc is available on iPhone, iPad, and iPod devices. It is designed to run on Apple's mobile operating system.

### How often is 100 Square Calc updated?

The app was last updated on June 30, 2025, with version 4.0.1. This indicates a commitment to ongoing development and improvements.

### Does 100 Square Calc have ads?

Yes, 100 Square Calc contains advertisements. These ads are displayed to support the free version of the application.

### What is the age rating for 100 Square Calc?

100 Square Calc has an age rating of 4+. This suggests it is suitable for young children and up, focusing on basic arithmetic skills.

### Are there in-app purchases in 100 Square Calc?

Yes, 100 Square Calc has in-app purchases available. These may offer additional features or content beyond the core functionality.

## Version history (last 5 releases)

### 4.0.1 — 2025-06-30

- You can now change the arrangement of number keys.
- You can now input using the number keys on the keyboard.
- Backup and restore features have been added.
- Full-screen ads will no longer be displayed.
- Performance improvements have been made.

### 3.3.2 — 2024-02-07

- Performance improvements
- Some UI changes
- Change ad display timing
- Fixed an issue where the screen would not lock vertically on iPad
- GDPR compliance

### 3.2.0 — 2022-08-22

- Partial change of UI
- System setting theme can now be selected.
- Added full screen ads
- Performance improvements

### 3.1.0 — 2022-07-21

- Added multiplication
- Added purchase of ad hides
- Icon changes
- Some UI changes
- Removed ad-hiding feature for free

### 2.0.0 — 2022-06-19

- Significant changes in appearance
- Changed full-screen ads to banner ads
- Added customization features (dark mode, theme colors)
- Introduced Firebase

## Apps similar to 100 Square Calc

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Four Operations Math](https://appshunter.io/ios/app/four-operations-math/id6529530666) | 5.0 (1) | Free | Education |
| [100 Squares Calc](https://appshunter.io/ios/app/100-squares-calc/id534131439) | 4.9 (8) | Free | Education |
| [百Math - Calculation App -](https://appshunter.io/ios/app/math-calculation-app/id1576521639) | — | Free | Education |
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| [毎日１００マス](https://appshunter.io/ios/app/id1382206263) | — | Free | Education |

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All apps by enoiu: https://appshunter.io/developer/1595987496

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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 2026-08-25.*