# Teia vs GPT Solar System Explorer

The clearest difference is rating: GPT Solar System Explorer at 4.7 against Teia's 3.7. GPT Solar System Explorer also leads on update cadence (every 2 weeks vs every 10 months) and ratings volume (96 vs 7). Teia's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (13.0 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Teia sells 1 one-off in-app purchase and GPT Solar System Explorer sells 5 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

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 96 ratings behind it against 7, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Teia ships an update every 10 months, GPT Solar System Explorer every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Teia | GPT Solar System Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/teia-3d-solar-system/id1672118518/reviews) | **[4.7 (96 ratings)](https://appshunter.io/ios/app/gpt-solar-system-explorer/id6743086286/reviews)** |
| Number of ratings | 7 | **96** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 615 MB | 288 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Himalaya Computing](https://appshunter.io/developer/1205321932) | [Apic Ways](https://appshunter.io/developer/1635604961) |

## What reviewers say

### Teia

[App page](https://appshunter.io/ios/app/teia-3d-solar-system/id1672118518)

Explore the solar system with realistic 3D models of planets and their moons. Discover fascinating facts and localized curiosities on planetary surfaces, presented by astronomy experts. Immerse yourself in detailed visuals that make you feel like you're visiting each celestial body.

**Highlights:** Realistic 3D solar system models, Localized surface curiosities, Expert-developed astronomical content, Detailed planetary visuals, Information on Mercury, Venus, Earth, Moon, Mars, Jupiter, Saturn, Uranus, Neptune, Over 40 pages of structured content

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Package | $5.99 | one-time |


### 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 Teia free?

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

### Is GPT Solar System Explorer free?

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

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

GPT Solar System Explorer is rated higher. Teia averages 3.7 out of 5 from 7 ratings, while GPT Solar System Explorer averages 4.7 from 96 ratings.

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

Neither Teia nor GPT Solar System Explorer shows ads.

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

Teia ships an update every 10 months, and GPT Solar System Explorer every 2 weeks. Most recently, Teia was updated on November 3, 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.*