# Astrospheric vs Sоlаr Sсаnnеr

The clearest difference is monetization model: Astrospheric at freemium against Sоlаr Sсаnnеr's subscription. Astrospheric also leads on review sentiment (88% vs 66%) and chart position (#80 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Astrospheric sells 2 in-app purchases, starting at $2.99 per month and Sоlаr Sсаnnеr sells 9 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Astrospheric ships an update every 3 weeks, Sоlаr Sсаnnеr every 2 weeks. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Astrospheric | Sоlаr Sсаnnеr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (453 ratings)](https://appshunter.io/ios/app/astrospheric/id1166046863/reviews)** | — |
| Number of ratings | **453** | — |
| Positive reviews | **87.7% of reviews** | 66.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Freemium** | Subscription |
| Best chart rank | **#80** | — |
| Size | 47 MB | 15 MB |
| Requires iOS | **9.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Fiordalis](https://appshunter.io/developer/1166046862) | [Solid Gamma Limited](https://appshunter.io/developer/1623775618) |

## What reviewers say

### Astrospheric

[App page](https://appshunter.io/ios/app/astrospheric/id1166046863)

**Currently charting:** #80 Top Grossing · Weather, #188 Top Free · Weather (US App Store)

This app offers advanced weather forecasting and astronomical data for stargazers and astrophotographers. It provides detailed hourly forecasts, cloud and sky transparency reports, and alerts for celestial events. It also includes tools for astronomical societies and offline site setup.

**Highlights:** 84-hour hourly weather forecast, Ensemble cloud forecast, Kp index for Aurora, ISS flyover paths, Integrated smoke forecast, Sky and ground data, Rise and set times, Solar and Lunar eclipse data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astrospheric Pro Subscription | $2.99 | per month |
| Astrospheric Pro Subscription | $29.99 | per year |

**What reviewers like**

- 🚀 Precision tool for astrophotography
- 🔍 Detailed weather forecasts
- ⭐ Accurate and reliable
- 💻 Comprehensive data and features
- 📊 Helpful for planning observing sessions

**What reviewers complain about**

- 🐛 Occasional inaccurate forecasts
- 🔍 Missing some weather data (e.g. wind)
- 💰 Subscription required for full functionality
- 🔌 Compatibility issues on some devices

**Reported bugs**

- App crashing or not loading on some devices
- Inconsistent temperature and wind data

**Requested features**

- Notification system for clear skies
- Widgets for quick access to data
- More detailed transparency and seeing data
- Ability to flip east and west in the app


### Sоlаr Sсаnnеr

[App page](https://appshunter.io/ios/app/slr-snnr/id1530778103)

Monitor your exposure to harmful UV rays with real-time data. This app provides the current UV index, temperature, and cloudiness, along with forecasts and customizable alerts to help you stay safe outdoors.

**Highlights:** Current UV index display, Temperature conversion (Celsius/Fahrenheit), Sunrise and sunset times, Dangerous sun exposure times, 7-day UV index forecast, Customizable alerts for UV/temperature, Share current UV index

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Premium | $5.99 | per 7 days |
| Premium | $9.99 | per 7 days |
| Monthly Premium | $10.99 | per month |
| Weekly Premium | $11.99 | per 7 days |
| Premium | $12.99 | per 7 days |
| Yearly Premium | $39.99 | per year |
| Monthly Premium | $47.99 | per month |
| Yearly Premium | $89.99 | per year |

**What reviewers like**

- 🌟 Excellent UV index forecasting
- 📊 Detailed weather and UV information
- 🔔 Helpful alerts and notifications
- 🌍 Universal app with temperature conversion
- 🤝 Ability to share UV index with friends

**What reviewers complain about**

- 💰 Concerns about high subscription cost
- 🚫 Reports of unauthorized charges
- 🤔 Skepticism about 5-star reviews
- ⚠️ Warnings about potential scam/malware

**Reported bugs**

- Blank/non-functional app after installation
- Issues with automatic subscription renewals

**Requested features**

- Dark mode option
- Customizable alert settings
- Integration with fitness/health apps


## Frequently asked questions

### Is Astrospheric free?

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

### Is Sоlаr Sсаnnеr free?

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

### Do Astrospheric or Sоlаr Sсаnnеr have ads?

Neither Astrospheric nor Sоlаr Sсаnnеr shows ads.

### Which is updated more often, Astrospheric or Sоlаr Sсаnnеr?

Astrospheric ships an update every 3 weeks, and Sоlаr Sсаnnеr every 2 weeks. Most recently, Astrospheric was updated on September 23, 2026 and Sоlаr Sсаnnеr on September 26, 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.*