# 江戸川区防災アプリ vs 島村楽器 音楽日記

The clearest difference is review sentiment: 江戸川区防災アプリ at 100% against 島村楽器 音楽日記's 40%. 江戸川区防災アプリ also leads on 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.

江戸川区防災アプリ ships an update monthly, 島村楽器 音楽日記 every 3 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 江戸川区防災アプリ | 島村楽器 音楽日記 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Free |
| Size | 161 MB | 34 MB |
| Requires iOS | **14.0** | 14.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [江戸川区 経営企画部広報課](https://appshunter.io/developer/1459227852) | [島村楽器株式会社](https://appshunter.io/developer/1415607656) |

## What reviewers say

### 江戸川区防災アプリ

[App page](https://appshunter.io/ios/app/id1615492273)

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

**In-app purchases:** none


### 島村楽器 音楽日記

[App page](https://appshunter.io/ios/app/id6444943576)

This app allows users to record and review their music practice sessions, including audio recordings. It's designed for musicians to track their progress and reflect on their instrument improvement. Students of music schools can also view their lesson records.

**Highlights:** Record practice sessions, Audio recording, Instrument progress tracking, View lesson records (for music school students), Member registration for full features

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

**In-app purchases:** none


## Frequently asked questions

### Is 江戸川区防災アプリ free?

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

### Is 島村楽器 音楽日記 free?

島村楽器 音楽日記 is free to download, with no in-app purchases.

### Do 江戸川区防災アプリ or 島村楽器 音楽日記 have ads?

Neither 江戸川区防災アプリ nor 島村楽器 音楽日記 shows ads.

### Which is updated more often, 江戸川区防災アプリ or 島村楽器 音楽日記?

江戸川区防災アプリ ships an update monthly, and 島村楽器 音楽日記 every 3 months. Most recently, 江戸川区防災アプリ was updated on October 30, 2026 and 島村楽器 音楽日記 on October 27, 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.*