# Space Dreams vs GPT Solar System Explorer

The clearest difference is rating: GPT Solar System Explorer at 4.7 against Space Dreams's 3.7. GPT Solar System Explorer also leads on ratings volume (95 vs 6). Space Dreams's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GPT Solar System Explorer sells 5 in-app purchases, starting at $5.99 per month. Space Dreams asks for nothing beyond the download.

GPT Solar System Explorer holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: GPT Solar System Explorer has 95 ratings behind it against 6, so its average is the more settled of the two.

Space Dreams ships an update fortnightly, GPT Solar System Explorer every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Space Dreams | GPT Solar System Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/space-dreams/id1129682548/reviews) | **[4.7 (95 ratings)](https://appshunter.io/ios/app/gpt-solar-system-explorer/id6743086286/reviews)** |
| Number of ratings | 6 | **95** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 226 MB | 288 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kennedy Space Center](https://appshunter.io/developer/1154656055) | [Apic Ways](https://appshunter.io/developer/1635604961) |

## What reviewers say

### Space Dreams

[App page](https://appshunter.io/ios/app/space-dreams/id1129682548)

Explore our solar system and learn about NASA's tools in an immersive virtual reality experience. Discover planets, celestial bodies, and the technology used for space exploration.

**Highlights:** Explore the solar system, Learn about NASA tools, Immersive VR experience, Discover planets and celestial bodies, Visit a comet

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

**In-app purchases:** none


### GPT Solar System Explorer

[App page](https://appshunter.io/ios/app/gpt-solar-system-explorer/id6743086286)

Explore our Solar System in an interactive 3D environment powered by AI. Discover stunning images and videos from space agencies, and ask your AI guide anything about the cosmos. Perfect for curious minds of all ages.

**Highlights:** Interactive 3D Solar System model, AI-powered cosmic guide, NASA, SpaceX, ESA imagery & videos, Planet and mission details, Voice-activated Q&A, Intuitive controls for all ages

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $5.99 | per month |
| Monthly Super Pro Subscription | $19.99 | per month |
| Monthly Ultra Pro Subscription | $29.99 | per month |
| Yearly Pro Subscription | $39.99 | per year |
| AI coins | $5.99 | one-time |


## Frequently asked questions

### Is Space Dreams free?

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

### Is GPT Solar System Explorer free?

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

### Which has better reviews, Space Dreams or GPT Solar System Explorer?

GPT Solar System Explorer is rated higher. Space Dreams averages 3.7 out of 5 from 6 ratings, while GPT Solar System Explorer averages 4.7 from 95 ratings.

### Do Space Dreams or GPT Solar System Explorer have ads?

Neither Space Dreams nor GPT Solar System Explorer shows ads.

### Which is updated more often, Space Dreams or GPT Solar System Explorer?

Space Dreams ships an update fortnightly, and GPT Solar System Explorer every 2 weeks. Most recently, Space Dreams was updated on October 24, 2026 and GPT Solar System Explorer on October 25, 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.*