# 空氣污染警報 vs 地震特快報

The clearest difference is in-app purchases: 空氣污染警報 at none against 地震特快報's 2. 地震特快報's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.1). On price, update cadence and device support there is nothing between them.

Both are free to download. 地震特快報 sells 2 in-app purchases, starting at $2.99 per month. 空氣污染警報 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 空氣污染警報 | 地震特快報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/id6444897109/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Size | 55 MB | 147 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) | [Merry-Link Co.,Ltd.](https://appshunter.io/developer/1040729128) |

## What reviewers say

### 空氣污染警報

[App page](https://appshunter.io/ios/app/id6444897109)

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

**In-app purchases:** none


### 地震特快報

[App page](https://appshunter.io/ios/app/id6463813654)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地震特快報 | $2.99 | per month |
| 訂閱(一年) | $29.99 | per year |


## Frequently asked questions

### Is 空氣污染警報 free?

空氣污染警報 is free to download, with no in-app purchases.

### Is 地震特快報 free?

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

### Do 空氣污染警報 or 地震特快報 have ads?

空氣污染警報 shows ads; 地震特快報 does not.

### Which is updated more often, 空氣污染警報 or 地震特快報?

空氣污染警報 ships an update monthly, and 地震特快報 monthly. Most recently, 空氣污染警報 was updated on October 24, 2026 and 地震特快報 on October 15, 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.*