# 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

The clearest difference is rating: 頭を柔らかくする脳トレ at 4.6 against 大人のなぞなぞ~脳トレIQ謎解きアプリ~'s 4.3. 頭を柔らかくする脳トレ also leads on iOS requirement (12.0 vs 14). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

頭を柔らかくする脳トレ holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 26 and 14 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 58% of 頭を柔らかくする脳トレ'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 every 2 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## 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 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (26 ratings)](https://appshunter.io/ios/app/iq/id1090289889/reviews) | **[4.6 (14 ratings)](https://appshunter.io/ios/app/id1135722259/reviews)** |
| Number of ratings | **26** | 14 |
| Positive reviews | 56.7% of reviews | **58.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 24 MB | 95 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

[App page](https://appshunter.io/ios/app/id1135722259)

**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 free?

頭を柔らかくする脳トレ 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?

頭を柔らかくする脳トレ 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 averages 4.6 from 14 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 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 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?

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 every 2 months. Most recently, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ was updated on November 1, 2026 and 頭を柔らかくする脳トレ on October 26, 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.*