# 大人のなぞなぞ~脳トレIQ謎解きアプリ~ vs 東大王からの挑戦状

The clearest difference is review sentiment: 大人のなぞなぞ~脳トレIQ謎解きアプリ~ at 57% against 東大王からの挑戦状's 36%. 大人のなぞなぞ~脳トレIQ謎解きアプリ~ also leads on rating (4.3 vs 4.1) and update cadence (every 6 weeks vs every 3 months). 東大王からの挑戦状's advantage is iOS requirement (12.5 vs 14). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

大人のなぞなぞ~脳トレIQ謎解きアプリ~ holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 26 and 22 respectively. Written reviews point the same way: 57% of 大人のなぞなぞ~脳トレIQ謎解きアプリ~'s written reviews are positive against 36% of 東大王からの挑戦状's.

大人のなぞなぞ~脳トレIQ謎解きアプリ~ ships an update every 6 weeks, 東大王からの挑戦状 every 3 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 大人のなぞなぞ~脳トレIQ謎解きアプリ~ | 東大王からの挑戦状 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (26 ratings)](https://appshunter.io/ios/app/iq/id1090289889/reviews)** | [4.1 (22 ratings)](https://appshunter.io/ios/app/iq/id1442481744/reviews) |
| Number of ratings | **26** | 22 |
| Positive reviews | **56.7% of reviews** | 35.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 24 MB | 228 MB |
| Requires iOS | 14 | **12.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ikue Konno](https://appshunter.io/developer/971968281) | [MIKU KURAKI](https://appshunter.io/developer/1161306102) |

## What reviewers say

### 大人のなぞなぞ~脳トレIQ謎解きアプリ~

[App page](https://appshunter.io/ios/app/iq/id1090289889)

This brain-training app offers 100 riddles and IQ puzzles for adults. It features a wide range of difficulty levels, from easy to challenging, making it a fun way to keep your mind sharp. Perfect for those who enjoy puzzles and need a way to pass the time.

**Highlights:** Brain training for adults, 100 riddle and IQ quiz questions, Varied difficulty levels, Suitable for all ages, Ideal for passing time

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 東大王からの挑戦状

[App page](https://appshunter.io/ios/app/iq/id1442481744)

Test your intellect with challenging brain-training quizzes and puzzles. Solve over 150 unique riddles using your intuition and deduction skills. Can you conquer all the puzzles and prove your intelligence?

**Highlights:** Challenging brain-training quizzes, Over 150 riddle-style puzzles, Intuitive deduction gameplay, Tap-based answer input, Unlimited attempts to solve

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 大人のなぞなぞ~脳トレIQ謎解きアプリ~ free?

大人のなぞなぞ~脳トレIQ謎解きアプリ~ is free to download, with no in-app purchases.

### Is 東大王からの挑戦状 free?

東大王からの挑戦状 is free to download, with no in-app purchases.

### Which has better reviews, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ or 東大王からの挑戦状?

大人のなぞなぞ~脳トレIQ謎解きアプリ~ is rated higher. 大人のなぞなぞ~脳トレIQ謎解きアプリ~ averages 4.3 out of 5 from 26 ratings, while 東大王からの挑戦状 averages 4.1 from 22 ratings.

### Do 大人のなぞなぞ~脳トレIQ謎解きアプリ~ or 東大王からの挑戦状 have ads?

Both 大人のなぞなぞ~脳トレIQ謎解きアプリ~ and 東大王からの挑戦状 show ads.

### Which is updated more often, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ or 東大王からの挑戦状?

大人のなぞなぞ~脳トレIQ謎解きアプリ~ ships an update every 6 weeks, and 東大王からの挑戦状 every 3 months. Most recently, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ was updated on October 18, 2026 and 東大王からの挑戦状 on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*