# 予防接種スケジューラー vs 赤ちゃんの頭のかたち測定

The clearest difference is review sentiment: 予防接種スケジューラー at 70% against 赤ちゃんの頭のかたち測定's 22%. 予防接種スケジューラー also leads on iOS requirement (11.0 vs 15.0). 赤ちゃんの頭のかたち測定's advantage is update cadence (monthly vs every 3 months). 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.

予防接種スケジューラー ships an update every 3 months, 赤ちゃんの頭のかたち測定 monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 予防接種スケジューラー | 赤ちゃんの頭のかたち測定 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id499802103/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **69.6% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 36 MB | 66 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [「VPD(ワクチンで防げる病気)を知って、子どもを守ろう。」の会](https://appshunter.io/developer/499802106) | [JAPAN MEDICAL COMPANY, K.K.](https://appshunter.io/developer/1520516114) |

## What reviewers say

### 予防接種スケジューラー

[App page](https://appshunter.io/ios/app/id499802103)

**Features:** Vision Pro support

**In-app purchases:** none


### 赤ちゃんの頭のかたち測定

[App page](https://appshunter.io/ios/app/id1520516112)

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

**In-app purchases:** none


## Frequently asked questions

### Is 予防接種スケジューラー free?

予防接種スケジューラー is free to download, with no in-app purchases.

### Is 赤ちゃんの頭のかたち測定 free?

赤ちゃんの頭のかたち測定 is free to download, with no in-app purchases.

### Do 予防接種スケジューラー or 赤ちゃんの頭のかたち測定 have ads?

Neither 予防接種スケジューラー nor 赤ちゃんの頭のかたち測定 shows ads.

### Which is updated more often, 予防接種スケジューラー or 赤ちゃんの頭のかたち測定?

予防接種スケジューラー ships an update every 3 months, and 赤ちゃんの頭のかたち測定 monthly. Most recently, 予防接種スケジューラー was updated on November 6, 2026 and 赤ちゃんの頭のかたち測定 on November 3, 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.*