# 大人のなぞなぞ~脳トレIQ謎解きアプリ~ vs 頭を柔らかくする脳トレ２

The clearest difference is update cadence: 大人のなぞなぞ~脳トレIQ謎解きアプリ~ at every 6 weeks against 頭を柔らかくする脳トレ２'s every 10 months. 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 monetization model (ad-supported vs free with in-app purchases). 頭を柔らかくする脳トレ２'s advantage is iOS requirement (12.0 vs 14). On price, review sentiment, ratings volume and ads 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 21 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 53% of 頭を柔らかくする脳トレ２'s.

大人のなぞなぞ~脳トレIQ謎解きアプリ~ ships an update every 6 weeks, 頭を柔らかくする脳トレ２ every 10 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 大人のなぞなぞ~脳トレIQ謎解きアプリ~ | 頭を柔らかくする脳トレ２ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (26 ratings)](https://appshunter.io/ios/app/iq/id1090289889/reviews)** | [4.1 (21 ratings)](https://appshunter.io/ios/app/iq/id1222856278/reviews) |
| Number of ratings | **26** | 21 |
| Positive reviews | **56.7% of reviews** | 52.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 24 MB | 97 MB |
| Requires iOS | 14 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ikue Konno](https://appshunter.io/developer/971968281) | [Jammsworks Inc.](https://appshunter.io/developer/1080532994) |

## 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


### 頭を柔らかくする脳トレ２

[App page](https://appshunter.io/ios/app/iq/id1222856278)

This app offers a series of brain-training puzzles designed to refresh your mind. Solve over 500 riddles and logic problems across multiple stages, using hints and keywords to progress. It's a fun way to challenge your cognitive skills and keep your brain agile.

**Highlights:** 500 brain-training puzzles, Stage-based progression, Hint system, Keyword system for progression, Answer reveal option, Return to previous stages

**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 頭を柔らかくする脳トレ２ free?

頭を柔らかくする脳トレ２ 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 頭を柔らかくする脳トレ２?

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 頭を柔らかくする脳トレ２ averages 4.1 from 21 ratings.

### Do 大人のなぞなぞ~脳トレIQ謎解きアプリ~ or 頭を柔らかくする脳トレ２ have ads?

Both 大人のなぞなぞ~脳トレIQ謎解きアプリ~ and 頭を柔らかくする脳トレ２ 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 頭を柔らかくする脳トレ２?

大人のなぞなぞ~脳トレIQ謎解きアプリ~ ships an update every 6 weeks, and 頭を柔らかくする脳トレ２ every 10 months. Most recently, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ was updated on October 24, 2026 and 頭を柔らかくする脳トレ２ on October 24, 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.*