# よく見るとおかしい画像 9時限目！ -間違い探しパズルゲーム

> Puzzle game to find hidden differences in images by close observation. (iPhone/iPad app by MASK LLC..)

- Source: https://appshunter.io/ios/app/9/id1332983446 (this page in markdown: same URL + `.md`)
- Developer: [MASK LLC.](https://appshunter.io/developer/1145303731)
- Category: Games, Entertainment, Puzzle, Trivia
- Price: Free
- Rating: 3.00/5 from 1 App Store ratings · 50 written reviews indexed
- Age rating: 12+
- Requires: iOS 9.0 · 168 MB
- Languages: American English
- Released: 2018-01-18
- Data updated: 2026-06-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/9/id1332983446/reviews.md

## What is よく見るとおかしい画像 9時限目！?

Well, wait a moment!
Is not this strange?

Such a thing, if you look closely it got something funny images together!
Something is wrong with something.
What is wrong?

Please download it and check it!

Let's play
Just look at the pictures and just tap the strange part if you look closely!

※ Material provided: YangChen (TW)

## Key features

- Find subtle image differences
- Tap on strange parts
- Visually engaging puzzles
- Observation skill test
- Simple tap controls

## Recent user reviews (10 of 50)

All indexed reviews: https://appshunter.io/ios/app/9/id1332983446/reviews.md

### 1/5 — 酷い

*2019-10-15, version 1.0.1*

広告が多すぎてストレス

### 1/5 — 広告

*2019-03-27, version 1.0.1*

たまにいやらしいタイミングで出てくる広告を回避してると強制的に動画の広告が出てくるからいやらしい。

### 1/5 — ヒントを見るのに

*2018-12-23, version 1.0.1*

星5個レビューしてくれたらヒント見せちゃうって言う強引さに星一つ。
それが無ければ面白かったのに、どうしてわざと評価を下げるような事をしてしまうのか。
不思議で仕方がありません。

### 1/5 — ☆5でレビューしないとヒント見せない

*2018-12-14, version 1.0.1*

高評価のために露骨だったので消しました

### 4/5 — うーん、、、

*2018-11-17, version 1.0.1*

広告がちょい多いかなぁ？他は全然面白いけども

### 2/5 — は？？

*2018-10-21, version 1.0.1*

｢答えに近いです！｣が全く近くない。あさってな所なのにこのコメントでて全く参考にならない。あと、これ○○じゃなくて○○だ系の問題分かりにくすぎ。良問もあったから☆2で。

### 5/5 — ふざけんな、(良い意味で)

*2018-08-18, version 1.0.1*

神ゲーじゃねーか

### 1/5 — 強制レビューが酷い

*2018-05-03, version 1.0.1*

ヒントを見るのに星5のレビュー書けば見れるとか。。酷い仕組み。

### 5/5 — 暇つぶしにちょうどいい！

*2018-04-23, version 1.0.1*

このシリーズはまってます！一問正解すると、やめられない止まらない！

### 5/5 — 楽しい

*2018-03-30, version 1.0.0*

時間を忘れてのめり込みます。

## Frequently asked questions about よく見るとおかしい画像 9時限目！

### What is this app about?

This app is a puzzle game where you are presented with images and need to find the subtle differences or strange elements. You play by looking closely at the pictures and tapping on the parts that seem wrong or out of place.

### How do I play the game?

Playing is simple: just look carefully at the provided images. When you spot something that looks strange or incorrect, tap on that part of the image. The game is designed to be intuitive and relies on your visual perception.

### Is this game free to download and play?

Yes, the application is free to download and play. There are no in-app purchases or advertisements mentioned, suggesting a completely free gaming experience.

### What kind of skills does this app help develop?

This game is excellent for developing and improving observation skills, attention to detail, and visual perception. It's a fun way to train your brain to notice subtle discrepancies.

### Who is the target audience for this game?

The game is designed for anyone who enjoys puzzle games, particularly those that involve visual challenges. It's suitable for players looking for a casual yet engaging way to test their focus and find hidden oddities.

## Version history (last 3 releases)

### 1.0.2 — 2020-02-28

Bug fix!

### 1.0.1 — 2018-04-03

Bugfix

### 1.0.0 — 2018-01-18

No release notes.

## Apps similar to よく見るとおかしい画像 9時限目！

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [まちがいたっち](https://appshunter.io/ios/app/id6445936736) | — | Free | Games |
| [Don't Stop Corocco2:EscapeGame](https://appshunter.io/ios/app/dont-stop-corocco2escapegame/id1567729406) | 5.0 (2) | Free | Games |
| [マルッと修正！アカデミア -間違い探し-](https://appshunter.io/ios/app/id6448621097) | — | Free | Games |
| [大人のなぞなぞ3 ~暇つぶし脳トレIQ謎解きアプリ~](https://appshunter.io/ios/app/3-iq/id1115275789) | 4.5 (2) | Free | Games |
| [絵あわせパズルと間違い探し](https://appshunter.io/ios/app/id1492627171) | 4.5 (2) | Free | Games |
| [漢字間違い探し](https://appshunter.io/ios/app/id527006563) | 4.3 (4) | Free | Games |

## More apps by MASK LLC.

- [breaker : Break block game](https://appshunter.io/ios/app/breaker-break-block-game/id997366267)
- [どこでも麻雀〜サクサク対局（マージャン）〜](https://appshunter.io/ios/app/id1003744165)
- [指でやるあのゲーム](https://appshunter.io/ios/app/id1049602717)
- [色彩診断/カラー識別能力を測定](https://appshunter.io/ios/app/id1052689942)
- [俺マイブサイク~カジュアル恋愛 バラエティ~無料恋愛ゲーム](https://appshunter.io/ios/app/id1074606102)
- [スマホ老眼クリニック](https://appshunter.io/ios/app/id1077653280)

All apps by MASK LLC.: https://appshunter.io/developer/1145303731

---

*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 2026-06-08.*