# Space 4D+ vs Space Gate

The clearest difference is review sentiment: Space Gate at 86% against Space 4D+'s 37%. Space Gate also leads on rating (4.8 vs 3.4) and update cadence (weekly vs every 2 months). Space 4D+'s advantage is price (Free vs $12.99) and in-app purchases (none vs 3). On ads and device support there is nothing between them.

Space 4D+ is free to download; Space Gate costs $12.99 up front. Space Gate sells 3 in-app purchases, starting at $2.99 per month. Space 4D+ asks for nothing beyond the download.

Space Gate holds the better App Store score, 4.8 against 3.4. Both are backed by a comparable volume of ratings — 46 and 200 respectively. Written reviews point the same way: 37% of Space 4D+'s written reviews are positive against 86% of Space Gate's.

Space 4D+ ships an update every 2 months, Space Gate weekly. The most recent releases landed on June 11, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Space 4D+ | Space Gate |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [3.4 (46 ratings)](https://appshunter.io/ios/app/space-4d-plus/id1018109847/reviews) | **[4.8 (200 ratings)](https://appshunter.io/ios/app/space-gate-ar-solar-system/id6474214531/reviews)** |
| Number of ratings | 46 | **200** |
| Positive reviews | 36.8% of reviews | **85.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 300 MB | 156 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Octagon Studio Ltd](https://appshunter.io/developer/998405180) | [Ali Samaei](https://appshunter.io/developer/1721049950) |

## What reviewers say

### Space 4D+

[App page](https://appshunter.io/ios/app/space-4d-plus/id1018109847)

Explore the wonders of space with augmented reality flashcards. This app brings planets, satellites, and space missions to life with interactive 3D models and informative facts. Experience space like never before, engaging for both children and adults.

**Highlights:** Augmented reality space exploration, Interactive 3D models of celestial bodies, Informative facts about planets and missions, Engaging for all ages, Scans printed space cards

**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 Space 4D+ free?

Space 4D+ is free to download, with no in-app purchases.

### Is Space Gate free?

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

### Which has better reviews, Space 4D+ or Space Gate?

Space Gate is rated higher. Space 4D+ averages 3.4 out of 5 from 46 ratings, while Space Gate averages 4.8 from 200 ratings.

### Do Space 4D+ or Space Gate have ads?

Neither Space 4D+ nor Space Gate shows ads.

### Which is updated more often, Space 4D+ or Space Gate?

Space 4D+ ships an update every 2 months, and Space Gate weekly. Most recently, Space 4D+ was updated on June 11, 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.*