# Blue Map vs 风晴

The clearest difference is price: Blue Map at Free against 风晴's $0.99. Blue Map also leads on iOS requirement (15 vs 18.0). 风晴's advantage is review sentiment (86% vs 64%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Blue Map is free to download; 风晴 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Blue Map ships an update every 2 weeks, 风晴 monthly. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Blue Map | 风晴 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blue-map/id838211758/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 64.5% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Paid |
| Size | 127 MB | 14 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [北京市朝阳区公众环境研究中心](https://appshunter.io/developer/838211761) | [振钊 卢](https://appshunter.io/developer/944136568) |

## What reviewers say

### Blue Map

[App page](https://appshunter.io/ios/app/blue-map/id838211758)

Access global environmental data, including air and water quality, corporate emissions, and ecological information. Participate in environmental protection by reporting pollution, sharing data, and tracking your low-carbon actions. Visualize environmental conditions with interactive maps and receive AI-driven insights and health alerts.

**Highlights:** Real-time environmental quality data, Corporate emissions and performance tracking, Public pollution reporting and action, Interactive environmental maps, AI-powered data insights, Personalized health and environmental alerts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 风晴

[App page](https://appshunter.io/ios/app/id1118725649)

An elegant, poetic weather app with a Chinese aesthetic. It offers accurate forecasts, extensive city data, and useful indices like rain and clothing recommendations. Enjoy daily unique poems and customizable widgets.

**Highlights:** Daily unique poems, Location-based weather widgets, Spotlight search integration, 10,000+ city and scenic spot weather, Air quality index with nearby station data, 24-hour temperature forecast, Extreme weather alerts, 60-day weather calendar

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

**In-app purchases:** none


## Frequently asked questions

### Is Blue Map free?

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

### Is 风晴 free?

风晴 costs $0.99, with no in-app purchases.

### Do Blue Map or 风晴 have ads?

Neither Blue Map nor 风晴 shows ads.

### Which is updated more often, Blue Map or 风晴?

Blue Map ships an update every 2 weeks, and 风晴 monthly. Most recently, Blue Map was updated on November 11, 2026 and 风晴 on November 6, 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.*