# 地震预警 vs 西北工业大学

The clearest difference is rating: 西北工业大学 at 3.6 against 地震预警's 1.9. 西北工业大学 also leads on in-app purchases (none vs 5) and ads (none vs shown). 地震预警's advantage is ratings volume (163 vs 7) and update cadence (monthly vs every 2 months). On price, review sentiment 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. 西北工业大学 asks for nothing beyond the download.

西北工业大学 holds the better App Store score, 3.6 against 1.9. That said, the two scores are not equally well evidenced: 地震预警 has 163 ratings behind it against 7, so its average is the more settled of the two. Written reviews split almost evenly too, at 29% and 29% positive.

地震预警 ships an update monthly, 西北工业大学 every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 地震预警 | 西北工业大学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (163 ratings)](https://appshunter.io/ios/app/id713947342/reviews) | **[3.6 (7 ratings)](https://appshunter.io/ios/app/id1490975343/reviews)** |
| Number of ratings | **163** | 7 |
| Positive reviews | **29.3% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 102 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Institute of Care-Life](https://appshunter.io/developer/652755841) | [上海树维信息科技有限公司](https://appshunter.io/developer/994850925) |

## 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 |


### 西北工业大学

[App page](https://appshunter.io/ios/app/id1490975343)

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

**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 西北工业大学 free?

西北工业大学 is free to download, with no in-app purchases.

### Which has better reviews, 地震预警 or 西北工业大学?

西北工业大学 is rated higher. 地震预警 averages 1.9 out of 5 from 163 ratings, while 西北工业大学 averages 3.6 from 7 ratings.

### Do 地震预警 or 西北工业大学 have ads?

地震预警 shows ads; 西北工业大学 does not.

### Which is updated more often, 地震预警 or 西北工业大学?

地震预警 ships an update monthly, and 西北工业大学 every 2 months. Most recently, 地震预警 was updated on November 6, 2026 and 西北工业大学 on November 3, 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.*