# 精神年齢診断+霊感診断 vs Aiiro

精神年齢診断+霊感診断 and Aiiro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 精神年齢診断+霊感診断 | Aiiro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Size | 20 MB | 66 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [YOUHEI SHINRA](https://appshunter.io/developer/654880163) | [Kyosuke Takahashi](https://appshunter.io/developer/1393537221) |

## 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


### Aiiro

[App page](https://appshunter.io/ios/app/aiiro-16-personality-types/id6449606941)

**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 Aiiro free?

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

### Do 精神年齢診断+霊感診断 or Aiiro have ads?

Both 精神年齢診断+霊感診断 and Aiiro show ads.

### Which is updated more often, 精神年齢診断+霊感診断 or Aiiro?

精神年齢診断+霊感診断 ships an update every 3 months, and Aiiro every 3 months. Most recently, 精神年齢診断+霊感診断 was updated on October 26, 2026 and Aiiro on October 27, 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.*