# 北区防災アプリ vs メモリアルメモ

The clearest difference is ads: 北区防災アプリ at none against メモリアルメモ's shown. 北区防災アプリ also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). メモリアルメモ's advantage is update cadence (daily vs every 8 months). On price and in-app purchases there is nothing between them.

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

北区防災アプリ ships an update every 8 months, メモリアルメモ daily. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 北区防災アプリ | メモリアルメモ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Daily** |
| Size | 143 MB | 19 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [北区](https://appshunter.io/developer/1758910835) | [Tomoya Araki](https://appshunter.io/developer/1823834437) |

## What reviewers say

### 北区防災アプリ

[App page](https://appshunter.io/ios/app/id6569237715)

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

**In-app purchases:** none


### メモリアルメモ

[App page](https://appshunter.io/ios/app/id6778318521)

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

**In-app purchases:** none


## Frequently asked questions

### Is 北区防災アプリ free?

北区防災アプリ is free to download, with no in-app purchases.

### Is メモリアルメモ free?

メモリアルメモ is free to download, with no in-app purchases.

### Do 北区防災アプリ or メモリアルメモ have ads?

メモリアルメモ shows ads; 北区防災アプリ does not.

### Which is updated more often, 北区防災アプリ or メモリアルメモ?

北区防災アプリ ships an update every 8 months, and メモリアルメモ daily. Most recently, 北区防災アプリ was updated on October 12, 2026 and メモリアルメモ on October 20, 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.*