# 地震预警 vs 图片合成器

The clearest difference is ads: 图片合成器 at none against 地震预警's shown. 图片合成器 also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 地震预警 sells 20 in-app purchases, starting at $1.99 per year and 图片合成器 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

地震预警 ships an update monthly, 图片合成器 every 3 weeks. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 地震预警 | 图片合成器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (163 ratings)](https://appshunter.io/ios/app/id713947342/reviews)** | — |
| Number of ratings | **163** | — |
| Positive reviews | 29.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 12 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Institute of Care-Life](https://appshunter.io/developer/652755841) | [堪川 黄](https://appshunter.io/developer/1613862574) |

## 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 (20)**

| 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 |
| 打赏鼓励-支付费用5元 | $0.99 | one-time |
| 打赏支持-愿越做越好 | $0.99 | one-time |
| 打赏支持-小小鼓励 | $0.99 | one-time |
| 赞赏鼓励-支付费用15元 | $1.99 | one-time |
| 赞赏支持-支付费用19.8元 | $2.99 | one-time |
| 鼓励与支持-19.8 | $2.99 | one-time |
| 打赏鼓励-支付费用50元 | $6.99 | one-time |
| 鼓励与支持-48.8 | $6.99 | one-time |
| 打赏鼓励-支付费用100元 | $14.99 | one-time |
| 鼓励与支持-99.8 | $14.99 | one-time |
| 鼓励与支持-198 | $29.99 | one-time |
| 鼓励与支持-500 | $69.99 | one-time |
| 打赏鼓励-支付费用598元 | $89.99 | one-time |
| 打赏鼓励-支付费用1000元 | $149.99 | one-time |
| 打赏鼓励-支付费用1988元 | $299.99 | one-time |
| 打赏鼓励-支付费用5988元 | $899.99 | one-time |
| 打赏鼓励-支付费用6988元 | $999.99 | one-time |


### 图片合成器

[App page](https://appshunter.io/ios/app/and/id1633581175)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is 地震预警 free?

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

### Is 图片合成器 free?

图片合成器 is free to download, with in-app purchases available.

### Do 地震预警 or 图片合成器 have ads?

地震预警 shows ads; 图片合成器 does not.

### Which is updated more often, 地震预警 or 图片合成器?

地震预警 ships an update monthly, and 图片合成器 every 3 weeks. Most recently, 地震预警 was updated on October 26, 2026 and 图片合成器 on October 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.*