# 環境即時通 vs EdiGreen

The clearest difference is review sentiment: 環境即時通 at 50% against EdiGreen's 0%. 環境即時通 also leads on rating (3.6 vs 2.6) and ads (none vs shown). On price, ratings volume, 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.

環境即時通 holds the better App Store score, 3.6 against 2.6. Both are backed by a comparable volume of ratings — 7 and 7 respectively. Written reviews point the same way: 50% of 環境即時通's written reviews are positive against 0% of EdiGreen's.

環境即時通 ships an update every 6 weeks, EdiGreen every 3 months. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 環境即時通 | EdiGreen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/id585493633/reviews)** | [2.6 (7 ratings)](https://appshunter.io/ios/app/edigreen/id1086893817/reviews) |
| Number of ratings | 7 | 7 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 85 MB | 39 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Environmental Protection Administration, Executive Yuan R.O.C. Taiwan](https://appshunter.io/developer/553766923) | [EDIMAX](https://appshunter.io/developer/324658320) |

## 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


### 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


## 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 EdiGreen free?

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

### Which has better reviews, 環境即時通 or EdiGreen?

環境即時通 is rated higher. 環境即時通 averages 3.6 out of 5 from 7 ratings, while EdiGreen averages 2.6 from 7 ratings.

### Do 環境即時通 or EdiGreen have ads?

EdiGreen shows ads; 環境即時通 does not.

### Which is updated more often, 環境即時通 or EdiGreen?

環境即時通 ships an update every 6 weeks, and EdiGreen every 3 months. Most recently, 環境即時通 was updated on October 1, 2026 and EdiGreen on September 23, 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.*