# 環境即時通 vs raingo

The clearest difference is rating: raingo at 4.6 against 環境即時通's 3.6. raingo also leads on update cadence (weekly vs every 2 months) and review sentiment (67% vs 50%). 環境即時通's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

raingo holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: raingo has 42 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 50% of 環境即時通's written reviews are positive against 67% of raingo's.

環境即時通 ships an update every 2 months, raingo weekly. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 環境即時通 | raingo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/id585493633/reviews) | **[4.6 (42 ratings)](https://appshunter.io/ios/app/raingo/id6446225212/reviews)** |
| Number of ratings | 7 | **42** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 73 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Environmental Protection Administration, Executive Yuan R.O.C. Taiwan](https://appshunter.io/developer/553766923) | [樂眾科技股份有限公司](https://appshunter.io/developer/1676795529) |

## 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


### raingo

[App page](https://appshunter.io/ios/app/raingo/id6446225212)

A new type of shared umbrella rental platform designed for urban mobility. Easily rent and return umbrellas 24/7 via your mobile device, reducing waste and promoting environmental sustainability. Enjoy convenient and comfortable travel, rain or shine.

**Highlights:** 24/7 mobile rental and return, Scan QR code to rent, Push to return, Sustainable and eco-friendly, Reduces waste from disposable umbrellas, Quick mobile authentication

**Features:** macOS Compatibility, Apple Wallet, 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 raingo free?

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

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

raingo is rated higher. 環境即時通 averages 3.6 out of 5 from 7 ratings, while raingo averages 4.6 from 42 ratings.

### Do 環境即時通 or raingo have ads?

Neither 環境即時通 nor raingo shows ads.

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

環境即時通 ships an update every 2 months, and raingo weekly. Most recently, 環境即時通 was updated on October 23, 2026 and raingo on October 30, 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.*