# 精神年齢診断+　実は何歳？あなたの心をチェック!! vs オタクイズ検定 for ハイキュー!!

The clearest difference is review sentiment: 精神年齢診断+　実は何歳？あなたの心をチェック!! at 71% against オタクイズ検定 for ハイキュー!!'s 0%. 精神年齢診断+　実は何歳？あなたの心をチェック!! also leads on ads (none vs shown) and update cadence (fortnightly vs every 15 months). On price, 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.

精神年齢診断+　実は何歳？あなたの心をチェック!! ships an update fortnightly, オタクイズ検定 for ハイキュー!! every 15 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 精神年齢診断+　実は何歳？あなたの心をチェック!! | オタクイズ検定 for ハイキュー!! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plus/id553793588/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **71.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | **Free** | Ad-supported |
| Size | 107 MB | 27 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### 精神年齢診断+　実は何歳？あなたの心をチェック!!

[App page](https://appshunter.io/ios/app/plus/id553793588)

Discover your mental age through simple questions and a unique育成 (ikusei - nurturing) game. This app offers a fun way to check your psychological age, with results ranging from 5 to 999 years old across 8 types. It also features a game where you nurture a character by correcting 'bad kids'.

**Highlights:** Mental age diagnosis, Nurturing game element, 8 result types, Interactive gameplay, Story-driven experience, Psychological test elements

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

**In-app purchases:** none


### オタクイズ検定 for ハイキュー!!

[App page](https://appshunter.io/ios/app/for/id1529964892)

Test your knowledge with a free quiz app featuring 100 questions about a popular anime series. Enjoy 4-choice answers and instant feedback. Perfect for fans looking to challenge their understanding of the series.

**Highlights:** 100 diverse quiz questions, 4-choice answer format, Instant answer checking, Play anytime, anywhere, Test anime knowledge

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 精神年齢診断+　実は何歳？あなたの心をチェック!! free?

精神年齢診断+　実は何歳？あなたの心をチェック!! is free to download, with no in-app purchases.

### Is オタクイズ検定 for ハイキュー!! free?

オタクイズ検定 for ハイキュー!! is free to download, with no in-app purchases.

### Do 精神年齢診断+　実は何歳？あなたの心をチェック!! or オタクイズ検定 for ハイキュー!! have ads?

オタクイズ検定 for ハイキュー!! shows ads; 精神年齢診断+　実は何歳？あなたの心をチェック!! does not.

### Which is updated more often, 精神年齢診断+　実は何歳？あなたの心をチェック!! or オタクイズ検定 for ハイキュー!!?

精神年齢診断+　実は何歳？あなたの心をチェック!! ships an update fortnightly, and オタクイズ検定 for ハイキュー!! every 15 months. Most recently, 精神年齢診断+　実は何歳？あなたの心をチェック!! was updated on October 15, 2026 and オタクイズ検定 for ハイキュー!! on October 2, 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.*