# Blue Map vs SunPath

The clearest difference is price: Blue Map at Free against SunPath's $1.99. Blue Map also leads on in-app purchases (none vs 1) and review sentiment (64% vs 33%). SunPath's advantage is chart position (#131 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Blue Map is free to download; SunPath costs $1.99 up front. SunPath sells 1 one-off in-app purchase. Blue Map asks for nothing beyond the download.

Blue Map ships an update every 2 weeks, SunPath every 2 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Blue Map | SunPath |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blue-map/id838211758/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **64.5% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#131** |
| Size | 127 MB | 38 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京市朝阳区公众环境研究中心](https://appshunter.io/developer/838211761) | [Romeo Goosens](https://appshunter.io/developer/1333617988) |

## 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


### SunPath

[App page](https://appshunter.io/ios/app/sunpath/id1224548795)

**Currently charting:** #131 Top Paid · Weather (US App Store)

Visualize the sun's path in real-time by pointing your device's camera at the sky. This app overlays the sun's movement directly onto your camera feed, offering a unique perspective on celestial mechanics.

**Highlights:** Real-time sun path visualization, Augmented reality camera overlay, Celestial movement tracking, Intuitive pointing interface

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Recording | $4.99 | one-time |


## Frequently asked questions

### Is Blue Map free?

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

### Is SunPath free?

SunPath costs $1.99, and also offers in-app purchases.

### Do Blue Map or SunPath have ads?

Neither Blue Map nor SunPath shows ads.

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

Blue Map ships an update every 2 weeks, and SunPath every 2 months. Most recently, Blue Map was updated on October 12, 2026 and SunPath on October 8, 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.*