# 觀天氣 HD vs 台日地震監測

The clearest difference is in-app purchases: 台日地震監測 at none against 觀天氣 HD's 1. 台日地震監測 also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 觀天氣 HD sells 1 in-app purchase, starting at $0.99 per month. 台日地震監測 asks for nothing beyond the download.

觀天氣 HD ships an update every 2 months, 台日地震監測 every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 觀天氣 HD | 台日地震監測 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/hd/id1000955138/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 60 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [GETONE TECH CO.](https://appshunter.io/developer/526625809) | [Yi Pei Kuo](https://appshunter.io/developer/1893007439) |

## What reviewers say

### 觀天氣 HD

[App page](https://appshunter.io/ios/app/hd/id1000955138)

Get real-time rain updates and detailed air quality information with this weather app. It offers hourly rain forecasts, beautiful scenic photos of Taiwan, and comprehensive environmental monitoring data.

**Highlights:** Real-time rain updates, Hourly rain forecasts, PM2.5 air quality index, Taiwan scenic photos, Environmental monitoring, Fishery and tide forecasts, Earthquake monitoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 觀天氣 PRO | $0.99 | per month |


### 台日地震監測

[App page](https://appshunter.io/ios/app/id6762127915)

**In-app purchases:** none


## Frequently asked questions

### Is 觀天氣 HD free?

觀天氣 HD is free to download, with in-app purchases available.

### Is 台日地震監測 free?

台日地震監測 is free to download, with no in-app purchases.

### Do 觀天氣 HD or 台日地震監測 have ads?

Both 觀天氣 HD and 台日地震監測 show ads.

### Which is updated more often, 觀天氣 HD or 台日地震監測?

觀天氣 HD ships an update every 2 months, and 台日地震監測 every 3 weeks. Most recently, 觀天氣 HD was updated on November 1, 2026 and 台日地震監測 on November 5, 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.*