# iShindo vs P2P地震情報 モバイル

The clearest difference is iOS requirement: P2P地震情報 モバイル at 13.0 against iShindo's 16.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 17, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | iShindo | P2P地震情報 モバイル |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/ishindo-seismic-intensity/id720738431/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **53.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | Free | Free |
| Size | 3 MB | 23 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hakusan Corporation](https://appshunter.io/developer/386745652) | [Takuya Yamaguchi](https://appshunter.io/developer/1457443046) |

## What reviewers say

### iShindo

[App page](https://appshunter.io/ios/app/ishindo-seismic-intensity/id720738431)

This app measures earthquake seismic intensity using your iPhone or iPad. It offers multiple measurement scales and automatically records events, allowing for photo capture. Data can be synced across up to 10 devices via iCloud.

**Highlights:** Seismic intensity measurement (JMA, MMI, SI), Automatic earthquake event recording, Photo capture during events, iCloud sync across devices, JMA Seismic Intensity Scale (0-7), Modified Mercalli Intensity Scale (I-XII)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iShindo free?

iShindo is free to download, with no in-app purchases.

### 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.

### Do iShindo or P2P地震情報 モバイル have ads?

Neither iShindo nor P2P地震情報 モバイル shows ads.

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

iShindo ships an update every 7 months, and P2P地震情報 モバイル every 7 months. Most recently, iShindo was updated on October 17, 2026 and P2P地震情報 モバイル on October 29, 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.*