# Solar System Scope vs Stellarium Mobile

The clearest difference is rating: Stellarium Mobile at 4.8 against Solar System Scope's 4.4. Stellarium Mobile also leads on ratings volume (37K vs 882) and update cadence (every 5 weeks vs every 4 months). Solar System Scope's advantage is iOS requirement (13.0 vs 17). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Solar System Scope sells 1 one-off in-app purchase and Stellarium Mobile sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Stellarium Mobile holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Stellarium Mobile has 37K ratings behind it against 882, so its average is the more settled of the two. Written reviews point the same way: 76% of Solar System Scope's written reviews are positive against 84% of Stellarium Mobile's.

Solar System Scope ships an update every 4 months, Stellarium Mobile every 5 weeks. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Solar System Scope | Stellarium Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (882 ratings)](https://appshunter.io/ios/app/solar-system-scope/id863969175/reviews) | **[4.8 (37K ratings)](https://appshunter.io/ios/app/stellarium-mobile-star-map/id1458716890/reviews)** |
| Number of ratings | 882 | **37K** |
| Positive reviews | 76.4% of reviews | **83.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#158** |
| Size | 154 MB | 456 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [INOVE, s.r.o.](https://appshunter.io/developer/863969178) | [Noctua Software Ltd](https://appshunter.io/developer/629435881) |

## What reviewers say

### Solar System Scope

[App page](https://appshunter.io/ios/app/solar-system-scope/id863969175)

Explore and discover the solar system and outer space with realistic 3D visualizations and detailed celestial simulations. This app offers an educational and engaging experience for all ages, featuring a comprehensive encyclopedia and a night sky observatory.

**Highlights:** 3D Encyclopedia of celestial bodies, Realistic 3D visualizations, Night sky observatory with time simulation, Accurate orbital parameter calculations, High-quality planetary and moon maps, Multilingual support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HQ Textures / No Ads | $5.99 | one-time |

**What reviewers like**

- 🚀 Amazing app
- 👍 Great for learning about space
- 🌟 Beautifully created
- 🔭 Realistic and detailed
- 🎓 Excellent for education

**What reviewers complain about**

- 🐛 Crashes frequently
- 🔀 Orientation issues
- 🔒 Upgrade required for full functionality
- 🕰️ Difficulty pinpointing specific dates

**Reported bugs**

- Crashes when dragging Jupiter
- Upside-down orientation on tablets
- Unable to restore purchases
- Freezes and crashes on launch

**Requested features**

- Add more celestial bodies (Messier objects, Planet 9/10, black holes, etc.)
- Enable exploration of other galaxies and deep space objects
- Improve telescope/zoom functionality
- Add more moons and irregular satellites
- Implement continental drift and solar system evolution


### Stellarium Mobile

[App page](https://appshunter.io/ios/app/stellarium-mobile-star-map/id1458716890)

**Currently charting:** #158 Top Free · Education (US App Store)

Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.

**Highlights:** Real-time sky simulation, Identify stars, planets, satellites, Constellation shapes and illustrations, Deep sky object catalog, Night mode for eye comfort, Telescope control (Plus)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stellarium PLUS | $1.99 | per month |
| Stellarium PLUS | $18.99 | one-time |

**What reviewers like**

- 🌟 Fabulous star tracking
- 🌌 Detailed night sky information
- 🔭 Helpful for stargazing and astronomy
- 👍 User-friendly interface
- 🌍 Accurate for different locations

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔍 Difficulty finding some objects
- 🌓 Inaccurate moon/planet positions in daylight
- 🔧 Calibration issues with compass
- 💰 Paid version may not justify the cost

**Reported bugs**

- Compass not working properly
- Favorites list disappearing
- Inconsistent performance on different devices

**Requested features**

- Notifications for astronomical events
- More customization options
- Integration with camera for AR overlay
- Better support for telescopes and mounts
- Improved search and navigation


## Frequently asked questions

### Is Solar System Scope free?

Solar System Scope is free to download, with in-app purchases available.

### Is Stellarium Mobile free?

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

### Which has better reviews, Solar System Scope or Stellarium Mobile?

Stellarium Mobile is rated higher. Solar System Scope averages 4.4 out of 5 from 882 ratings, while Stellarium Mobile averages 4.8 from 37K ratings.

### Do Solar System Scope or Stellarium Mobile have ads?

Neither Solar System Scope nor Stellarium Mobile shows ads.

### Which is updated more often, Solar System Scope or Stellarium Mobile?

Solar System Scope ships an update every 4 months, and Stellarium Mobile every 5 weeks. Most recently, Solar System Scope was updated on September 22, 2026 and Stellarium Mobile on September 24, 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.*