# 精神年齢診断+霊感診断 vs オタクイズ検定 for 鬼滅の刃(きめつのやいば)

The clearest difference is update cadence: オタクイズ検定 for 鬼滅の刃(きめつのやいば) at every 2 weeks against 精神年齢診断+霊感診断's every 3 months. オタクイズ検定 for 鬼滅の刃(きめつのやいば) also leads on iOS requirement (9.0 vs 12.0). On price, ads, 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+霊感診断 ships an update every 3 months, オタクイズ検定 for 鬼滅の刃(きめつのやいば) every 2 weeks. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 精神年齢診断+霊感診断 | オタクイズ検定 for 鬼滅の刃(きめつのやいば) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 52.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 20 MB | 28 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YOUHEI SHINRA](https://appshunter.io/developer/654880163) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### 精神年齢診断+霊感診断

[App page](https://appshunter.io/ios/app/plus/id654880160)

**Features:** macOS Compatibility

**In-app purchases:** none


### オタクイズ検定 for 鬼滅の刃(きめつのやいば)

[App page](https://appshunter.io/ios/app/for/id1500237679)

Test your knowledge of a popular anime with this free quiz app. Featuring multiple-choice questions across various categories, you can instantly check your answers and learn from mistakes. Perfect for fans looking to challenge their understanding of characters, quotes, voice actors, and events.

**Highlights:** Free to play, Multiple-choice format, Instant answer checks, Variety of quiz genres, Learn from mistakes, Score comparison

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

**In-app purchases:** none


## Frequently asked questions

### Is 精神年齢診断+霊感診断 free?

精神年齢診断+霊感診断 is free to download, with no in-app purchases.

### Is オタクイズ検定 for 鬼滅の刃(きめつのやいば) free?

オタクイズ検定 for 鬼滅の刃(きめつのやいば) is free to download, with no in-app purchases.

### Do 精神年齢診断+霊感診断 or オタクイズ検定 for 鬼滅の刃(きめつのやいば) have ads?

Both 精神年齢診断+霊感診断 and オタクイズ検定 for 鬼滅の刃(きめつのやいば) show ads.

### Which is updated more often, 精神年齢診断+霊感診断 or オタクイズ検定 for 鬼滅の刃(きめつのやいば)?

精神年齢診断+霊感診断 ships an update every 3 months, and オタクイズ検定 for 鬼滅の刃(きめつのやいば) every 2 weeks. Most recently, 精神年齢診断+霊感診断 was updated on October 9, 2026 and オタクイズ検定 for 鬼滅の刃(きめつのやいば) on October 7, 2026.

---

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