# Quiz: Add and Subtract

> Quiz: Add and Subtract (iPhone/iPad app by Kosei Suzuki.)

- Source: https://appshunter.io/ios/app/quiz/id1398958231 (this page in markdown: same URL + `.md`)
- Developer: [Kosei Suzuki](https://appshunter.io/developer/319693641)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 15 MB
- Languages: American English, Japanese
- Released: 2018-07-29
- Data updated: 2026-01-22
- User reviews in markdown: https://appshunter.io/ios/app/quiz/id1398958231/reviews.md

## What is Quiz?

My child who is very bad at math.
It's hard to buy problem books.
So, I made an app that allows you to create and print an infinite number of problems.

Is your child OK?


## Version history (last 5 releases)

### 3.1.1 — 2024-05-29

Fix bugs.

### 3.1 — 2022-11-10

- Updated print settings
Black and white printing and quality can now be set to save ink.
(depending on printer model)

### 3.0.2 — 2022-09-16

デザインを変更しました。

### 3.0.1 — 2022-08-24

iPadで印刷する際に不具合があったため修正しました。

### 3.0 — 2021-05-08

難易度の設定を追加しました。
筆算じゃない普通の計算式の問題を追加しました。（「12+34=」のような、横並びの計算式。これは何という名称なのでしょう？ちょっとよくわからない・・・単純に「式」だけ？）

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## More apps by Kosei Suzuki

- [Lovely Camera](https://appshunter.io/ios/app/lovely-camera/id334386849)
- [Abyss Eye – Fisheye Camera](https://appshunter.io/ios/app/abyss-eye/id565830484)
- [Visual recovery 3D - Konpeito -](https://appshunter.io/ios/app/visual-recovery-3d/id720763139)
- [My Clock 2](https://appshunter.io/ios/app/my-clock-2/id818451658)
- [Neon Camera](https://appshunter.io/ios/app/neon-camera/id900073836)
- [Loose Chat](https://appshunter.io/ios/app/loose-chat/id1331966002)

All apps by Kosei Suzuki: https://appshunter.io/developer/319693641

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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 2026-01-22.*