# 地震チェック vs 地震マップ30

The clearest difference is price: 地震マップ30 at Free against 地震チェック's $0.99. 地震マップ30 also leads on update cadence (weekly vs fortnightly). 地震チェック's advantage is ads (none vs shown) and iOS requirement (15.0 vs 26.0). On in-app purchases and device support there is nothing between them.

地震マップ30 is free to download; 地震チェック costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

地震チェック ships an update fortnightly, 地震マップ30 weekly. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 地震チェック | 地震マップ30 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 50 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [KENGO NAKANO](https://appshunter.io/developer/1764468656) | [KAZUYUKI TAJIMA](https://appshunter.io/developer/876885221) |

## What reviewers say

### 地震チェック

[App page](https://appshunter.io/ios/app/id6657978780)

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

**In-app purchases:** none


### 地震マップ30

[App page](https://appshunter.io/ios/app/30/id6799633870)

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

**In-app purchases:** none


## Frequently asked questions

### Is 地震チェック free?

地震チェック costs $0.99, with no in-app purchases.

### Is 地震マップ30 free?

地震マップ30 is free to download, with no in-app purchases.

### Do 地震チェック or 地震マップ30 have ads?

地震マップ30 shows ads; 地震チェック does not.

### Which is updated more often, 地震チェック or 地震マップ30?

地震チェック ships an update fortnightly, and 地震マップ30 weekly. Most recently, 地震チェック was updated on November 12, 2026 and 地震マップ30 on November 10, 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.*