# 脳年齢測定器 vs 菊池風磨

脳年齢測定器 and 菊池風磨 both sit at 5.0 stars, but that hides the real split: 100% of 菊池風磨's written reviews are positive against 16% of 脳年齢測定器's. 菊池風磨 also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). 脳年齢測定器's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 15.0). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. 菊池風磨 sells 1 in-app purchase, starting at $4.99 per month. 脳年齢測定器 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 脳年齢測定器 against 5.0 for 菊池風磨. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 16% of 脳年齢測定器's written reviews are positive against 100% of 菊池風磨's.

脳年齢測定器 ships an update every 2 months, 菊池風磨 fortnightly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 脳年齢測定器 | 菊池風磨 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id413624824/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6529540979/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 15.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 70 MB | 89 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [infinitysoftware Co.,Ltd](https://appshunter.io/developer/397323076) | [Fanplus, Inc.](https://appshunter.io/developer/427785206) |

## What reviewers say

### 脳年齢測定器

[App page](https://appshunter.io/ios/app/id413624824)

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

**In-app purchases:** none


### 菊池風磨

[App page](https://appshunter.io/ios/app/id6529540979)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "more..." | $4.99 | per month |


## Frequently asked questions

### Is 脳年齢測定器 free?

脳年齢測定器 is free to download, with no in-app purchases.

### Is 菊池風磨 free?

菊池風磨 is free to download, with in-app purchases available.

### Which has better reviews, 脳年齢測定器 or 菊池風磨?

脳年齢測定器 and 菊池風磨 are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do 脳年齢測定器 or 菊池風磨 have ads?

脳年齢測定器 shows ads; 菊池風磨 does not.

### Which is updated more often, 脳年齢測定器 or 菊池風磨?

脳年齢測定器 ships an update every 2 months, and 菊池風磨 fortnightly. Most recently, 脳年齢測定器 was updated on October 6, 2026 and 菊池風磨 on October 10, 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.*