# 環境即時通 vs DPIP

The clearest difference is rating: DPIP at 4.4 against 環境即時通's 3.6. DPIP also leads on review sentiment (80% vs 50%). 環境即時通's advantage is in-app purchases (none vs 4) and iOS requirement (12.1 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. DPIP sells 4 in-app purchases, starting at $1.99 per month. 環境即時通 asks for nothing beyond the download.

DPIP holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 50% of 環境即時通's written reviews are positive against 80% of DPIP's.

環境即時通 ships an update every 6 weeks, DPIP every 3 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 環境即時通 | DPIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/id585493633/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/dpip/id6468026362/reviews)** |
| Number of ratings | 7 | **8** |
| Positive reviews | 50.0% of reviews | **79.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 85 MB | 44 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Environmental Protection Administration, Executive Yuan R.O.C. Taiwan](https://appshunter.io/developer/553766923) | [ExpTech](https://appshunter.io/developer/1709443346) |

## 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


### DPIP

[App page](https://appshunter.io/ios/app/dpip/id6468026362)

This app provides real-time earthquake alerts and disaster prevention information. It integrates data from official meteorological and seismic monitoring networks to offer early warnings and detailed reports, helping users prepare for and respond to natural disasters.

**Highlights:** Real-time earthquake early warnings, Earthquake intensity reports, Seismic activity summaries, Live weather updates, Weather alerts and advisories, Disaster prevention information aggregation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DPIP 每月服務支持 | $1.99 | per month |
| 能量飲料 | $2.99 | one-time |
| 活力便當 | $9.99 | one-time |
| 深深的一份感謝 | $29.99 | one-time |


## 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 DPIP free?

DPIP is free to download, with in-app purchases available.

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

DPIP is rated higher. 環境即時通 averages 3.6 out of 5 from 7 ratings, while DPIP averages 4.4 from 8 ratings.

### Do 環境即時通 or DPIP have ads?

Neither 環境即時通 nor DPIP shows ads.

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

環境即時通 ships an update every 6 weeks, and DPIP every 3 weeks. Most recently, 環境即時通 was updated on October 1, 2026 and DPIP on October 14, 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.*