# うちの子ミュージアム vs First Words Diary

The clearest difference is device support: うちの子ミュージアム at 3 against First Words Diary's 1. うちの子ミュージアム also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. うちの子ミュージアム sells 2 in-app purchases, starting at $0.49 per month and First Words Diary sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

うちの子ミュージアム ships an update every 5 weeks, First Words Diary monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | うちの子ミュージアム | First Words Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 64 MB | 34 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kaoru Nishimura](https://appshunter.io/developer/1815862694) | [EasterEggs](https://appshunter.io/developer/553389214) |

## What reviewers say

### うちの子ミュージアム

[App page](https://appshunter.io/ios/app/id6747798408)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（月額） | $0.49 | per month |
| うちの子プレミアム（年額） | $5.99 | per year |


### First Words Diary

[App page](https://appshunter.io/ios/app/first-words-diary/id6748212295)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.99 | per month |


## Frequently asked questions

### Is うちの子ミュージアム free?

うちの子ミュージアム is free to download, with in-app purchases available.

### Is First Words Diary free?

First Words Diary is free to download, with in-app purchases available.

### Do うちの子ミュージアム or First Words Diary have ads?

Both うちの子ミュージアム and First Words Diary show ads.

### Which is updated more often, うちの子ミュージアム or First Words Diary?

うちの子ミュージアム ships an update every 5 weeks, and First Words Diary monthly. Most recently, うちの子ミュージアム was updated on October 25, 2026 and First Words Diary on October 25, 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.*