# おおいた防災アプリ vs EQMonitor 地震速報

おおいた防災アプリ and EQMonitor 地震速報 both sit at 5.0 stars, but that hides the real split: 88% of EQMonitor 地震速報's written reviews are positive against 25% of おおいた防災アプリ's. EQMonitor 地震速報 also leads on update cadence (every 11 days vs every 5 months) and ratings volume (6 vs 1). おおいた防災アプリ's advantage is in-app purchases (none vs 5) and iOS requirement (9.0 vs 17.6). On price, rating, ads and device support there is nothing between them.

Both are free to download. EQMonitor 地震速報 sells 5 in-app purchases, starting at $1.99 per month. おおいた防災アプリ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for おおいた防災アプリ against 5.0 for EQMonitor 地震速報. That said, the two scores are not equally well evidenced: EQMonitor 地震速報 has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 25% of おおいた防災アプリ's written reviews are positive against 88% of EQMonitor 地震速報's.

おおいた防災アプリ ships an update every 5 months, EQMonitor 地震速報 every 11 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | おおいた防災アプリ | EQMonitor 地震速報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1455301571/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/eqmonitor/id6447546703/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 25.0% of reviews | **87.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 129 MB | 171 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oita Prefecture](https://appshunter.io/developer/1455301570) | [Ryotaro Onoue](https://appshunter.io/developer/1681712231) |

## What reviewers say

### おおいた防災アプリ

[App page](https://appshunter.io/ios/app/id1455301571)

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

**In-app purchases:** none


### EQMonitor 地震速報

[App page](https://appshunter.io/ios/app/eqmonitor/id6447546703)

Receive timely earthquake and urgent earthquake early warning notifications for Japan. View past earthquake history with a detailed database and see real-time P-wave and S-wave predictions. Access the Strong Motion Monitor for visual earthquake data.

**Highlights:** Earthquake and early warning notifications, Customizable notification conditions by region, View past earthquake history (since 1919), Real-time display of urgent earthquake warnings, P-wave/S-wave arrival and epicenter display, Access to Strong Motion Monitor

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EQMonitor Pro | $1.99 | per month |
| コーヒー | $0.49 | one-time |
| エナジードリンクセット | $1.99 | one-time |
| 美味しい牛肉 | $5.99 | one-time |
| うな重 | $19.99 | one-time |


## Frequently asked questions

### Is おおいた防災アプリ free?

おおいた防災アプリ is free to download, with no in-app purchases.

### Is EQMonitor 地震速報 free?

EQMonitor 地震速報 is free to download, with in-app purchases available.

### Which has better reviews, おおいた防災アプリ or EQMonitor 地震速報?

おおいた防災アプリ and EQMonitor 地震速報 are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do おおいた防災アプリ or EQMonitor 地震速報 have ads?

Neither おおいた防災アプリ nor EQMonitor 地震速報 shows ads.

### Which is updated more often, おおいた防災アプリ or EQMonitor 地震速報?

おおいた防災アプリ ships an update every 5 months, and EQMonitor 地震速報 every 11 days. Most recently, おおいた防災アプリ was updated on October 26, 2026 and EQMonitor 地震速報 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.*