# 環境即時通 vs Raining Bell

The clearest difference is rating: Raining Bell at 5.0 against 環境即時通's 3.6. Raining Bell also leads on update cadence (monthly vs every 2 months). 環境即時通's advantage is review sentiment (50% vs 27%) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads 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.

Raining Bell holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews complicate that: 50% of 環境即時通's written reviews are positive against 27% of Raining Bell's, so the app with the better star average is not the one people write more warmly about.

環境即時通 ships an update every 2 months, Raining Bell monthly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 環境即時通 | Raining Bell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/id585493633/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/raining-bell/id1519965957/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | **50.0% of reviews** | 27.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 73 MB | 10 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Environmental Protection Administration, Executive Yuan R.O.C. Taiwan](https://appshunter.io/developer/553766923) | [ThinkYes Technology Co., Ltd.](https://appshunter.io/developer/1485389027) |

## 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


### Raining Bell

[App page](https://appshunter.io/ios/app/raining-bell/id1519965957)

This app provides advanced weather forecasting by integrating real-time radar and satellite data. It offers early warnings for rainfall and potential disasters up to three hours in advance, with personalized alerts and a smart voice assistant for natural language interaction.

**Highlights:** Real-time radar monitoring, Satellite data integration, Rainfall prediction up to 3 hours, Early warning system, Location-based services, Push notifications, Smart voice assistant

**Features:** 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 Raining Bell free?

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

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

Raining Bell is rated higher. 環境即時通 averages 3.6 out of 5 from 7 ratings, while Raining Bell averages 5.0 from 3 ratings.

### Do 環境即時通 or Raining Bell have ads?

Neither 環境即時通 nor Raining Bell shows ads.

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

環境即時通 ships an update every 2 months, and Raining Bell monthly. Most recently, 環境即時通 was updated on October 23, 2026 and Raining Bell on October 25, 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.*