# 大人のなぞなぞ~脳トレIQ謎解きアプリ~ vs Otheris

The clearest difference is ads: Otheris at none against 大人のなぞなぞ~脳トレIQ謎解きアプリ~'s shown. 大人のなぞなぞ~脳トレIQ謎解きアプリ~'s advantage is iOS requirement (14 vs 18.4). On price, update cadence, in-app purchases and device support 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~ ships an update every 6 weeks, Otheris monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 大人のなぞなぞ~脳トレIQ謎解きアプリ~ | Otheris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (26 ratings)](https://appshunter.io/ios/app/iq/id1090289889/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 56.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 24 MB | 25 MB |
| Requires iOS | **14** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ikue Konno](https://appshunter.io/developer/971968281) | [ryogo shimizu](https://appshunter.io/developer/1782520149) |

## 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


### Otheris

[App page](https://appshunter.io/ios/app/otheris/id6751338093)

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

**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 Otheris free?

Otheris is free to download, with no in-app purchases.

### Do 大人のなぞなぞ~脳トレIQ謎解きアプリ~ or Otheris have ads?

大人のなぞなぞ~脳トレIQ謎解きアプリ~ shows ads; Otheris does not.

### Which is updated more often, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ or Otheris?

大人のなぞなぞ~脳トレIQ謎解きアプリ~ ships an update every 6 weeks, and Otheris monthly. Most recently, 大人のなぞなぞ~脳トレIQ謎解きアプリ~ was updated on October 26, 2026 and Otheris on October 25, 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.*