# 地震 vs 地震预警

The clearest difference is in-app purchases: 地震预警 at none against 地震's 1. 地震预警 also leads on rating (5.0 vs 4.7) and iOS requirement (12.0 vs 15.0). 地震's advantage is device support and ratings volume (3 vs 1). On price there is nothing between them.

Both are free to download. 地震 sells 1 one-off in-app purchase. 地震预警 asks for nothing beyond the download.

地震预警 holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | 地震 | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/id6474761029/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6475804574/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 41 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [方元 朱](https://appshunter.io/developer/468596269) | [WingSum Luk](https://appshunter.io/developer/1725248179) |

## What reviewers say

### 地震

[App page](https://appshunter.io/ios/app/id6474761029)

Get real-time earthquake alerts and historical seismic data. Explore an earthquake encyclopedia covering causes, types, and monitoring. Visualize seismic events on a map with customizable filters.

**Highlights:** Real-time earthquake notifications, Historical earthquake data (1 year), Earthquake encyclopedia, Map visualization of seismic events, Customizable alert thresholds, Map overlays (plate boundaries, population density)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地震去广告 | $0.99 | one-time |


### 地震预警

[App page](https://appshunter.io/ios/app/id6475804574)

This disaster alert tool provides real-time earthquake warnings and rapid earthquake reports. It offers comprehensive disaster alerts, including multiple hazard types, and timely notifications to help users take appropriate safety measures.

**Highlights:** Earthquake pre-warning, Rapid earthquake reports, Multiple disaster alerts, Real-time notifications, Safety guidance and tips, Comprehensive disaster information

**In-app purchases:** none


## Frequently asked questions

### Is 地震 free?

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

### Is 地震预警 free?

地震预警 is free to download, with no in-app purchases.

### Which has better reviews, 地震 or 地震预警?

地震预警 is rated higher. 地震 averages 4.7 out of 5 from 3 ratings, while 地震预警 averages 5.0 from 1 ratings.

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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.*