# EdiGreen vs 台灣空氣品質

The clearest difference is ads: 台灣空氣品質 at none against EdiGreen's shown. 台灣空氣品質 also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (8.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

EdiGreen ships an update every 3 months, 台灣空氣品質 every 3 weeks. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EdiGreen | 台灣空氣品質 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (7 ratings)](https://appshunter.io/ios/app/edigreen/id1086893817/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 39 MB | 19 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [EDIMAX](https://appshunter.io/developer/324658320) | [yuan hung Huang](https://appshunter.io/developer/1497812655) |

## 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


### 台灣空氣品質

[App page](https://appshunter.io/ios/app/id1087261006)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EdiGreen free?

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

### Is 台灣空氣品質 free?

台灣空氣品質 is free to download, with no in-app purchases.

### Do EdiGreen or 台灣空氣品質 have ads?

EdiGreen shows ads; 台灣空氣品質 does not.

### Which is updated more often, EdiGreen or 台灣空氣品質?

EdiGreen ships an update every 3 months, and 台灣空氣品質 every 3 weeks. Most recently, EdiGreen was updated on October 21, 2026 and 台灣空氣品質 on October 7, 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.*