# P2P地震情報 モバイル vs 津波

The clearest difference is review sentiment: P2P地震情報 モバイル at 50% against 津波's 0%. P2P地震情報 モバイル also leads on in-app purchases (none vs 4) and ads (none vs shown). 津波's advantage is update cadence (every 2 months vs every 7 months). On price and device support there is nothing between them.

Both are free to download. 津波 sells 4 one-off in-app purchases. P2P地震情報 モバイル asks for nothing beyond the download.

P2P地震情報 モバイル ships an update every 7 months, 津波 every 2 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | P2P地震情報 モバイル | 津波 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 84 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Yamaguchi](https://appshunter.io/developer/1457443046) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### P2P地震情報 モバイル

[App page](https://appshunter.io/ios/app/p2p/id1457443047)

Receive real-time earthquake and tsunami alerts from the Japan Meteorological Agency. Share your own "shook!" reports with other users, which are then mapped. Get push notifications for instant updates and review past information.

**Highlights:** Earthquake and tsunami alerts, User-shared shaking reports, Real-time mapping of reports, Push notifications, Historical data view

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

**In-app purchases:** none


### 津波

[App page](https://appshunter.io/ios/app/tsunami/id1615362492)

This app displays tsunami observation data and seismic intensity information. It provides details about earthquakes, including time, epicenter, intensity, and magnitude. It also shows tsunami observation data.

**Highlights:** Tsunami observation data, Seismic intensity information, Earthquake details (time, epicenter, magnitude), Real-time updates, User feedback integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| アプリケーション開発者への応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is P2P地震情報 モバイル free?

P2P地震情報 モバイル is free to download, with no in-app purchases.

### Is 津波 free?

津波 is free to download, with in-app purchases available.

### Do P2P地震情報 モバイル or 津波 have ads?

津波 shows ads; P2P地震情報 モバイル does not.

### Which is updated more often, P2P地震情報 モバイル or 津波?

P2P地震情報 モバイル ships an update every 7 months, and 津波 every 2 months. Most recently, P2P地震情報 モバイル was updated on October 9, 2026 and 津波 on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*