# Solar System Scope vs GREENHELLO

The clearest difference is in-app purchases: GREENHELLO at none against Solar System Scope's 1. GREENHELLO also leads on update cadence (every 6 weeks vs every 4 months). Solar System Scope's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Solar System Scope sells 1 one-off in-app purchase. GREENHELLO asks for nothing beyond the download.

Solar System Scope ships an update every 4 months, GREENHELLO every 6 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Solar System Scope | GREENHELLO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (882 ratings)](https://appshunter.io/ios/app/solar-system-scope/id863969175/reviews)** | — |
| Number of ratings | **882** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 154 MB | 42 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [INOVE, s.r.o.](https://appshunter.io/developer/863969178) | [FOCIFY SOLUTIONS PRAVATE LIMITED](https://appshunter.io/developer/1557267832) |

## 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


### GREENHELLO

[App page](https://appshunter.io/ios/app/greenhello/id6737436085)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar System Scope free?

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

### Is GREENHELLO free?

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

### Do Solar System Scope or GREENHELLO have ads?

Neither Solar System Scope nor GREENHELLO shows ads.

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

Solar System Scope ships an update every 4 months, and GREENHELLO every 6 weeks. Most recently, Solar System Scope was updated on October 12, 2026 and GREENHELLO on October 11, 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.*