# Weather forecast! vs PM2.5台灣

The clearest difference is in-app purchases: PM2.5台灣 at none against Weather forecast!'s 1. PM2.5台灣 also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (7.0 vs 15.0). Weather forecast!'s advantage is review sentiment (50% vs 17%). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Weather forecast! sells 1 one-off in-app purchase. PM2.5台灣 asks for nothing beyond the download.

Weather forecast! ships an update every 6 months, PM2.5台灣 every 2 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | Weather forecast! | PM2.5台灣 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (34 ratings)](https://appshunter.io/ios/app/weather-forecast/id795721175/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | **50.0% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 9 MB |
| Requires iOS | 15.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆猛 邓](https://appshunter.io/developer/620435580) | [YEH TSUNG MING](https://appshunter.io/developer/324655388) |

## What reviewers say

### Weather forecast!

[App page](https://appshunter.io/ios/app/weather-forecast/id795721175)

Get accurate, real-time weather data for over 800,000 locations worldwide. Track hourly temperatures, view 7-day and 15-day forecasts, and receive activity suggestions based on weather conditions. Enjoy a beautiful, easy-to-use interface.

**Highlights:** Global weather data for 800,000+ cities, Automatic location detection, Hourly temperature tracking, 7-day and 15-day forecasts, Activity suggestions, Clean and modern interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Time Limit | $3.99 | one-time |


### PM2.5台灣

[App page](https://appshunter.io/ios/app/pm25/id990281102)

Stay informed about PM2.5 air quality in Taiwan. Receive custom notifications for high pollution levels and track real-time rankings across different regions.

**Highlights:** Real-time PM2.5 concentration tracking, Customizable pollution level notifications, Nationwide and regional rankings, Alerts for exceeding pollution thresholds, Daily time-based reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Weather forecast! free?

Weather forecast! is free to download, with in-app purchases available.

### Is PM2.5台灣 free?

PM2.5台灣 is free to download, with no in-app purchases.

### Do Weather forecast! or PM2.5台灣 have ads?

Neither Weather forecast! nor PM2.5台灣 shows ads.

### Which is updated more often, Weather forecast! or PM2.5台灣?

Weather forecast! ships an update every 6 months, and PM2.5台灣 every 2 weeks. Most recently, Weather forecast! was updated on October 3, 2026 and PM2.5台灣 on October 3, 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.*