# Solar System vs GPT Solar System Explorer

The clearest difference is review sentiment: Solar System at 67% against GPT Solar System Explorer's 0%. Solar System also leads on in-app purchases (none vs 5). GPT Solar System Explorer's advantage is rating (4.7 vs 3.8) and update cadence (every 2 weeks vs every 107 months). On price, 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. Solar System asks for nothing beyond the download.

GPT Solar System Explorer holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 32 and 96 respectively. Written reviews complicate that: 67% of Solar System's written reviews are positive against 0% of GPT Solar System Explorer's, so the app with the better star average is not the one people write more warmly about.

Solar System ships an update every 107 months, GPT Solar System Explorer every 2 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Solar System | GPT Solar System Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (32 ratings)](https://appshunter.io/ios/app/solar-system-ar-view/id1335043082/reviews) | **[4.7 (96 ratings)](https://appshunter.io/ios/app/gpt-solar-system-explorer/id6743086286/reviews)** |
| Number of ratings | 32 | **96** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 107 months | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 12 MB | 288 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luis Carvajal Hoyos](https://appshunter.io/developer/1061577851) | [Apic Ways](https://appshunter.io/developer/1635604961) |

## What reviewers say

### Solar System

[App page](https://appshunter.io/ios/app/solar-system-ar-view/id1335043082)

Explore planets, dwarf planets, and moons in your own space using augmented reality. Walk around the solar system, view celestial bodies in scale, and access detailed information about each planet and its moons.

**Highlights:** Augmented reality solar system view, Explore planets, dwarf planets, and moons, Scale mode for size and distance comparison, Detailed planet and moon information, Interactive exploration

**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 Solar System free?

Solar System 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, Solar System or GPT Solar System Explorer?

GPT Solar System Explorer is rated higher. Solar System averages 3.8 out of 5 from 32 ratings, while GPT Solar System Explorer averages 4.7 from 96 ratings.

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

Neither Solar System nor GPT Solar System Explorer shows ads.

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

Solar System ships an update every 107 months, and GPT Solar System Explorer every 2 weeks. Most recently, Solar System was updated on November 2, 2026 and GPT Solar System Explorer on November 4, 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.*