# 地震预警 vs 共翔助手

The clearest difference is rating: 地震预警 at 1.9 against 共翔助手's 1.0. 地震预警 also leads on review sentiment (29% vs 0%) and ratings volume (163 vs 2). 共翔助手's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 地震预警 sells 5 in-app purchases, starting at $1.99 per year. 共翔助手 asks for nothing beyond the download.

地震预警 holds the better App Store score, 1.9 against 1.0. That said, the two scores are not equally well evidenced: 地震预警 has 163 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 29% of 地震预警's written reviews are positive against 0% of 共翔助手's.

地震预警 ships an update monthly, 共翔助手 fortnightly. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 地震预警 | 共翔助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (163 ratings)](https://appshunter.io/ios/app/id713947342/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/id6469027036/reviews) |
| Number of ratings | **163** | 2 |
| Positive reviews | **29.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 77 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Institute of Care-Life](https://appshunter.io/developer/652755841) | [China Travelsky Technology Limited](https://appshunter.io/developer/443898877) |

## What reviewers say

### 地震预警

[App page](https://appshunter.io/ios/app/id713947342)

Receive early warnings for earthquakes seconds to tens of seconds before they strike. Customize alert thresholds, view detailed seismic information, and report emergency situations. Access educational content and review past alerts.

**Highlights:** Earthquake early warning service, Customizable alert thresholds, View epicenter, magnitude, and intensity, Emergency distress message upload, Earthquake preparedness education, Review alert history

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地震预警-VIP订阅 | $1.99 | per year |
| 实时地震预警SVIP订阅 | $3.99 | per year |
| 鼓励支持-支付费用10元 | $0.99 | one-time |
| 打赏支持-愿越做越好 | $0.99 | one-time |
| 鼓励与支持-19.8 | $2.99 | one-time |


### 共翔助手

[App page](https://appshunter.io/ios/app/id6469027036)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 地震预警 free?

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

### Is 共翔助手 free?

共翔助手 is free to download, with no in-app purchases.

### Which has better reviews, 地震预警 or 共翔助手?

地震预警 is rated higher. 地震预警 averages 1.9 out of 5 from 163 ratings, while 共翔助手 averages 1.0 from 2 ratings.

### Do 地震预警 or 共翔助手 have ads?

地震预警 shows ads; 共翔助手 does not.

### Which is updated more often, 地震预警 or 共翔助手?

地震预警 ships an update monthly, and 共翔助手 fortnightly. Most recently, 地震预警 was updated on November 1, 2026 and 共翔助手 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.*