# 血管ナビ vs みみ年齢

The clearest difference is ads: 血管ナビ at none against みみ年齢's shown. 血管ナビ also leads on iOS requirement (15.0 vs 17.0). 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.

## The numbers

| Metric | 血管ナビ | みみ年齢 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | — |
| Size | 47 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [AT K.K.](https://appshunter.io/developer/1459608393) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### 血管ナビ

[App page](https://appshunter.io/ios/app/id1459608394)

**Features:** macOS Compatibility

**In-app purchases:** none


### みみ年齢

[App page](https://appshunter.io/ios/app/id6772969607)

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

**In-app purchases:** none


## Frequently asked questions

### Is 血管ナビ free?

血管ナビ is free to download, with no in-app purchases.

### Is みみ年齢 free?

みみ年齢 is free to download, with no in-app purchases.

### Do 血管ナビ or みみ年齢 have ads?

みみ年齢 shows ads; 血管ナビ does not.

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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.*