# 環境即時通 vs 空氣污染警報

The clearest difference is rating: 空氣污染警報 at 4.6 against 環境即時通's 3.6. 環境即時通's advantage is ads (none vs shown) and iOS requirement (12.1 vs 16.1). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

空氣污染警報 holds the better App Store score, 4.6 against 3.6. Both are backed by a comparable volume of ratings — 7 and 5 respectively.

環境即時通 ships an update every 6 weeks, 空氣污染警報 monthly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 環境即時通 | 空氣污染警報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/id585493633/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/id6444897109/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 85 MB | 55 MB |
| Requires iOS | **12.1** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Environmental Protection Administration, Executive Yuan R.O.C. Taiwan](https://appshunter.io/developer/553766923) | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) |

## What reviewers say

### 環境即時通

[App page](https://appshunter.io/ios/app/id585493633)

Access real-time environmental data including air quality, UV index, weather, river water quality, and disaster alerts. Customize alerts for your favorite locations and share air quality observations.

**Highlights:** Real-time air quality monitoring, UV index and weather forecasts, River water quality data, Flood and debris flow alerts, Customizable location alerts, Air quality mood sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### 空氣污染警報

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 環境即時通 free?

環境即時通 is free to download, with no in-app purchases.

### Is 空氣污染警報 free?

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

### Which has better reviews, 環境即時通 or 空氣污染警報?

空氣污染警報 is rated higher. 環境即時通 averages 3.6 out of 5 from 7 ratings, while 空氣污染警報 averages 4.6 from 5 ratings.

### Do 環境即時通 or 空氣污染警報 have ads?

空氣污染警報 shows ads; 環境即時通 does not.

### Which is updated more often, 環境即時通 or 空氣污染警報?

環境即時通 ships an update every 6 weeks, and 空氣污染警報 monthly. Most recently, 環境即時通 was updated on October 1, 2026 and 空氣污染警報 on October 8, 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.*