# 絶対に解けない脳トレIQクイズ - 1日5分の脳トレアプリ

> Challenging brain-training puzzles with hints and explanations for flexible thinking. (iPhone/iPad app by Ikue Konno.)

- Source: https://appshunter.io/ios/app/iq-15/id1261874614 (this page in markdown: same URL + `.md`)
- Developer: [Ikue Konno](https://appshunter.io/developer/971968281)
- Category: Games, Education, Trivia
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 21 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 51 MB
- Languages: American English
- Released: 2017-08-04
- Data updated: 2026-08-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/iq-15/id1261874614/reviews.md

## What is 絶対に解けない脳トレIQクイズ?

【このアプリについて】
・答えを見れば「簡単だった」と思うのになかなか解けない問題を集めた脳トレアプリです。
・頭が固い人は苦戦すると思いますが、そんな方にオススメです！
・隙間時間で脳トレ、暇つぶしができます。
・柔軟な思考力とひらめき力が試されます。
・全問題にヒントと解説が付いているので最後まで楽しめます。

## Key features

- Difficult-to-solve brain teasers
- Flexible thinking challenges
- Hints and explanations for all puzzles
- Play in short bursts
- Mental stimulation and time-killing

## Recent user reviews (10 of 21)

All indexed reviews: https://appshunter.io/ios/app/iq-15/id1261874614/reviews.md

### 4/5 — 悪くない

*2025-01-02*

良い

### 3/5 — 結構

*2024-08-31*

良い

### 2/5 — 広告がしつこい

*2024-01-24*

広告がしつこいし、レビューを書くっていう表示もしつこい

### 5/5 — いやいやレビューを書かされてる

*2023-12-10*

洗脳された有権者の偏差値教育じゃ無理だけど
洗礼された主権者の経験値義務教育なら当然応えられるw

### 3/5 — 全然難しくない

*2023-07-16*

全然難しくない

### 4/5 — なかなか

*2022-03-22*

楽しいです

### 1/5 — あ

*2022-01-30*

あ

### 5/5 — 楽しい

*2022-01-07*

笑った
楽しかった
面白い
ありがとう

### 3/5 — Q54

*2021-11-13*

問題がまちがってますね。「が」ではなくて、「ぎ」にしないと答えの「みやぎ」が作れません。

### 5/5 — 難易度は低い

*2021-09-21*

難しい問題はないです。
IQ120とか書いてあるけど絶対そんなに無いと思います。
表示されているIQ -15 くらいが妥当だと思います。
「個人的な意見」

## Frequently asked questions about 絶対に解けない脳トレIQクイズ

### What is IQ Quiz?

IQ Quiz is a brain-training app that offers puzzles designed to be deceptively simple yet challenging to solve. It aims to test and improve your flexible thinking and inspiration.

### Does IQ Quiz have ads?

No, IQ Quiz is ad-free, allowing for an uninterrupted brain-training experience.

### Is IQ Quiz free to play?

Yes, IQ Quiz is completely free to download and play, with no in-app purchases.

### What kind of puzzles are in IQ Quiz?

The app features a collection of brain teasers that appear easy at first glance but require flexible thinking and inspiration to solve.

### Are there hints or solutions in IQ Quiz?

Yes, IQ Quiz provides hints and detailed explanations for every puzzle, ensuring you can enjoy the challenge from start to finish.

### What devices can I play IQ Quiz on?

IQ Quiz is available for iPhone and iPod devices.

### What is the age rating for IQ Quiz?

IQ Quiz has an age rating of 4+, making it suitable for a wide range of players.

### How often is IQ Quiz updated?

The app was last updated on August 13, 2017, with version 1.0.3. It was initially released on August 4, 2017.

## Version history (last 4 releases)

### 1.0.3 — 2017-08-13

このAppはApple Watch Appのアイコンを表示するようAppleにより更新されました。

デザイン修正.

### 1.0.2 — 2017-08-08

bug fix.

### 1.0.1 — 2017-08-05

bug fix.

### 1.0.0 — 2017-08-04

No release notes.

## Apps similar to 絶対に解けない脳トレIQクイズ

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [頭を柔らかくする脳トレ](https://appshunter.io/ios/app/id1135722259) | 4.6 (14) | Free | Games |
| [Mystery Riddles-Lateral Puzzle](https://appshunter.io/ios/app/mystery-riddles-lateral-puzzle/id6751633517) | — | Free | Games |
| [謎解きダイアリー　頭が良くなる脳トレ日記](https://appshunter.io/ios/app/id1475111023) | 4.8 (4) | Free | Games |
| [絶品！謎解きレストラン](https://appshunter.io/ios/app/id1404153127) | 4.4 (8) | Free | Games |
| [なぞなぞクイズ](https://appshunter.io/ios/app/id1455488651) | 5.0 (4) | Free | Games |
| [東大からの脱出](https://appshunter.io/ios/app/id1458686541) | — | Free | Games |

## More apps by Ikue Konno

- [解けたら天才!?ナンプレ100 ~定番パズルゲームナンプレ~](https://appshunter.io/ios/app/100/id971968282)
- [激ムズナンプレ Lv100](https://appshunter.io/ios/app/lv100/id1009402329)
- [リバーシ ~最強のアルゴリズムを搭載したパズルゲーム~](https://appshunter.io/ios/app/id1049865211)
- [天才求む！~謎解きIQ脳トレアプリ~](https://appshunter.io/ios/app/iq/id1076168526)
- [ナンプレ難問集 ~定番のナンプレアプリ~](https://appshunter.io/ios/app/id1089515660)
- [大人のなぞなぞ~脳トレIQ謎解きアプリ~](https://appshunter.io/ios/app/iq/id1090289889)

All apps by Ikue Konno: https://appshunter.io/developer/971968281

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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 2026-08-17.*