# EdiGreen vs 台灣空污警報

The clearest difference is review sentiment: 台灣空污警報 at 56% against EdiGreen's 0%. 台灣空污警報 also leads on rating (4.3 vs 2.6) and update cadence (monthly vs every 3 months). EdiGreen's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 台灣空污警報 sells 1 one-off in-app purchase. EdiGreen asks for nothing beyond the download.

台灣空污警報 holds the better App Store score, 4.3 against 2.6. Both are backed by a comparable volume of ratings — 7 and 14 respectively. Written reviews point the same way: 0% of EdiGreen's written reviews are positive against 56% of 台灣空污警報's.

EdiGreen ships an update every 3 months, 台灣空污警報 monthly. The most recent releases landed on September 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | EdiGreen | 台灣空污警報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (7 ratings)](https://appshunter.io/ios/app/edigreen/id1086893817/reviews) | **[4.3 (14 ratings)](https://appshunter.io/ios/app/id1362015277/reviews)** |
| Number of ratings | 7 | **14** |
| Positive reviews | 0.0% of reviews | **55.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 39 MB | 27 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [EDIMAX](https://appshunter.io/developer/324658320) | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) |

## What reviewers say

### EdiGreen

[App page](https://appshunter.io/ios/app/edigreen/id1086893817)

Instantly monitor PM2.5 air quality with real-time updates every 5 minutes. This app provides an easy-to-understand AQI index, global monitoring station data, and personalized recommendations to protect your respiratory health.

**Highlights:** Real-time PM2.5 air quality information, Temperature and humidity microclimate query, 24-hour air quality trend chart, Daily AQI index and action advice, Global monitoring station map, Favorite station list, GPS location for nearby stations

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

**In-app purchases:** none


### 台灣空污警報

[App page](https://appshunter.io/ios/app/id1362015277)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 贊助方案 (回饋服務營運期間之去廣告功能) | $2.99 | one-time |


## Frequently asked questions

### Is EdiGreen free?

EdiGreen is free to download, with no in-app purchases.

### Is 台灣空污警報 free?

台灣空污警報 is free to download, with in-app purchases available.

### Which has better reviews, EdiGreen or 台灣空污警報?

台灣空污警報 is rated higher. EdiGreen averages 2.6 out of 5 from 7 ratings, while 台灣空污警報 averages 4.3 from 14 ratings.

### Do EdiGreen or 台灣空污警報 have ads?

Both EdiGreen and 台灣空污警報 show ads.

### Which is updated more often, EdiGreen or 台灣空污警報?

EdiGreen ships an update every 3 months, and 台灣空污警報 monthly. Most recently, EdiGreen was updated on September 23, 2026 and 台灣空污警報 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.*