# 惑星AR vs Space Gate

The clearest difference is price: 惑星AR at Free against Space Gate's $12.99. 惑星AR also leads on in-app purchases (none vs 3) and review sentiment (100% vs 86%). Space Gate's advantage is update cadence (weekly vs every 7 months). On ads and device support there is nothing between them.

惑星AR is free to download; Space Gate costs $12.99 up front. Space Gate sells 3 in-app purchases, starting at $2.99 per month. 惑星AR asks for nothing beyond the download.

惑星AR ships an update every 7 months, Space Gate weekly. The most recent releases landed on June 3, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | 惑星AR | Space Gate |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | — | **[4.8 (200 ratings)](https://appshunter.io/ios/app/space-gate-ar-solar-system/id6474214531/reviews)** |
| Number of ratings | — | **200** |
| Positive reviews | **100.0% of reviews** | 85.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 81 MB | 156 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thunderbird, Inc.](https://appshunter.io/developer/1066532988) | [Ali Samaei](https://appshunter.io/developer/1721049950) |

## What reviewers say

### 惑星AR

[App page](https://appshunter.io/ios/app/ar/id1575645390)

Explore the solar system with interactive visualizations. Understand planetary sizes and distances through intuitive modes, and learn fascinating facts with quizzes. Ideal for grasping astronomical concepts visually.

**Highlights:** Size comparison mode, Distance comparison mode, Orbit visualization, Interactive 3D manipulation, Detailed planet information, Quiz-based trivia

**Features:** macOS Compatibility

**In-app purchases:** none


### Space Gate

[App page](https://appshunter.io/ios/app/space-gate-ar-solar-system/id6474214531)

Explore the universe with interactive 3D and AR experiences of the solar system. Discover celestial bodies, engage with live astronomy news, and even interact with black holes. Tailored for learning and education.

**Highlights:** 3D and AR solar system exploration, Interactive black hole simulations, Live astronomy magazine, Educational celestial catalogs, Capture and save celestial snapshots

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Annual Subscription | $6.99 | per year |
| Lifetime Subscription | $12.99 | one-time |

**What reviewers like**

- 🎨 Stunning 3D graphics and visual quality
- 🌍 Immersive AR experience for exploring planets
- 📚 Comprehensive educational content about space
- 🎓 Excellent tool for teachers and students
- 📸 Screenshot/snapshot capture functionality

**What reviewers complain about**

- 💰 Misleading free-to-play pricing model
- 🔒 Unexpected in-app purchase charges
- 🎮 Unintuitive navigation and UI
- 🐛 Orbital mechanics inaccuracies
- 🌙 Moon tidal locking not correctly simulated

**Reported bugs**

- Moon not tidally locked to Earth
- Moon orbiting Earth in wrong direction
- Planets orbiting sun in opposing/incorrect directions
- Uranus moons glitched
- Venus orbital speed faster than Mercury

**Requested features**

- Ability to set any planet as immobile center point
- More free planets without paywall
- Additional galaxies beyond solar system
- Toggle for planet/moon/star name labels
- Time-lapse function with variable speeds


## Frequently asked questions

### Is 惑星AR free?

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

### Is Space Gate free?

Space Gate costs $12.99, and also offers in-app purchases.

### Do 惑星AR or Space Gate have ads?

Neither 惑星AR nor Space Gate shows ads.

### Which is updated more often, 惑星AR or Space Gate?

惑星AR ships an update every 7 months, and Space Gate weekly. Most recently, 惑星AR was updated on June 3, 2026 and Space Gate on August 1, 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.*