# 100 Squares: Math Drills — Timed arithmetic for kids

> Timed arithmetic for kids (iPhone/iPad app by Robonet Communications inc..)

- Source: https://appshunter.io/ios/app/100-squares-math-drills/id6798580662 (this page in markdown: same URL + `.md`)
- Developer: [Robonet Communications inc.](https://appshunter.io/developer/1187823015)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.4 · 44 MB
- Languages: American English
- Released: 2026-08-20
- Data updated: 2026-09-14
- User reviews in markdown: https://appshunter.io/ios/app/100-squares-math-drills/id6798580662/reviews.md

## What is 100 Squares?

100 Squares brings addition, subtraction, multiplication and division together in a single app - the classic drill for building elementary calculation skills.

FEATURES
- Pick one of the four operations and race the clock over 100 problems
- A separate national ranking for each operation, so you can compete with players nationwide
- The cursor moves to the next square as you answer, so you keep a steady rhythm
- Remove ads with a one-time purchase (250 yen) for distraction-free practice
- Available in English, Chinese (Simplified), Korean and Spanish

THE FOUR OPERATIONS
- Addition - 100 problems adding 0 to 9
- Subtraction - 100 problems that never go below zero
- Multiplication - 100 problems covering the times tables
- Division - 100 problems that always divide evenly

RECOMMENDED FOR
- Parents who want to sharpen their child's calculation speed
- Building a daily study habit
- Kids who want to get good at arithmetic in a fun, game-like way

Simple to use, anytime and anywhere. Give it a try together as a family!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |



## Version history (last 5 releases)

### 1.2.0 — 2026-09-08

- After you finish all 100 problems, a full-screen ad now appears on the way to the result screen. It never interrupts you while you are calculating.
- If you buy "Remove Ads (one-time purchase)", neither the full-screen ad nor the banner is shown. If you have already bought it, nothing changes for you.

### 1.1.0 — 2026-09-02

・たし算・ひき算・わり算を追加しました。ホーム画面で4つの計算から選んで始められます。
・アプリ名を「100マス計算」に変えました。かけ算はこれまでどおり遊べます。
・全国ランキングを計算ごとに分けました。ランキング画面のタブで切り替えられます。これまでのかけ算の記録はそのまま残っています。

### 1.0.3 — 2026-09-01

・画面の高い端末で、中央に大きな余白ができていたのを直しました。ホーム・計算中・結果の各画面で、内容が画面の中に収まって表示されます。
・App Store の画面写真を、実際のアプリと同じ見た目に撮り直しました。

### 1.0.2 — 2026-08-29

・ランキングに登録するお名前が、前回入力したものから始まるようになりました。
・EU/英国のお客様向けに、広告に関する同意の確認画面を追加しました。
・全国ランキングの接続先を国内(東京)に変更し、表示が速くなりました。
・広告まわりの内部的な改善と、軽微な不具合の修正を行いました。

### 1.0.1 — 2026-08-24

・購入処理まわりの内部的な改善を行いました。
・軽微な不具合を修正しました。

## More apps by Robonet Communications inc.

- [Aide - シンプルポモドーロタイマー](https://appshunter.io/ios/app/aide/id6795020664)
- [Garden Notebook](https://appshunter.io/ios/app/garden-notebook/id6795389154)
- [全国方言クイズ](https://appshunter.io/ios/app/id6799330163)
- [日本地図クイズ 47都道府県](https://appshunter.io/ios/app/47/id6803932449)
- [Noise Recorder: dB Meter](https://appshunter.io/ios/app/noise-recorder-db-meter/id6805402842)

All apps by Robonet Communications inc.: https://appshunter.io/developer/1187823015

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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 2026-09-14.*