# 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ vs 謎解き CUBE

大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ and 謎解き CUBE both sit at 4.5 stars, but that hides the real split: 41% of 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~'s written reviews are positive against 24% of 謎解き CUBE's. 謎解き CUBE's advantage is monetization model (free vs ad-supported) and iOS requirement (12.0 vs 15.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.5 for 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ against 4.5 for 謎解き CUBE. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews are what separate them: 41% of 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~'s written reviews are positive against 24% of 謎解き CUBE's.

大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ ships an update every 10 days, 謎解き CUBE fortnightly. The most recent releases landed on August 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ | 謎解き CUBE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/2iq/id1115273015/reviews) | [4.5 (4 ratings)](https://appshunter.io/ios/app/cube/id6455260079/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | **41.4% of reviews** | 23.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 166 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ikue Konno](https://appshunter.io/developer/971968281) | [Wataru Shibata](https://appshunter.io/developer/1561106341) |

## What reviewers say

### 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~

[App page](https://appshunter.io/ios/app/2iq/id1115273015)

A brain training app designed for adults to sharpen their minds with a variety of riddles. It offers 100 questions ranging from easy to challenging, perfect for passing the time and stimulating your intellect.

**Highlights:** Brain training for adults, 100 riddle questions, Varied difficulty levels, IQ and cipher quizzes, Time-killing entertainment

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

**In-app purchases:** none


### 謎解き CUBE

[App page](https://appshunter.io/ios/app/cube/id6455260079)

A stage-based puzzle game where you rotate cubes to find clues and solve riddles. It's free to play and perfect for brain training and killing time. Can you unlock all the cubes by using your intellect?

**Highlights:** Cube rotation puzzles, Hint collection, Stage-based progression, Brain training, Free to play

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

**In-app purchases:** none


## Frequently asked questions

### Is 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ free?

大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ is free to download, with no in-app purchases.

### Is 謎解き CUBE free?

謎解き CUBE is free to download, with no in-app purchases.

### Which has better reviews, 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ or 謎解き CUBE?

大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ and 謎解き CUBE are both rated 4.5 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ or 謎解き CUBE have ads?

Both 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ and 謎解き CUBE show ads.

### Which is updated more often, 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ or 謎解き CUBE?

大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ ships an update every 10 days, and 謎解き CUBE fortnightly. Most recently, 大人のなぞなぞ 2~暇つぶし脳トレIQアプリ~ was updated on August 25, 2026 and 謎解き CUBE on September 9, 2026.

---

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