# Space 4D+ vs Planets AR

The clearest difference is review sentiment: Planets AR at 100% against Space 4D+'s 37%. Planets AR also leads on update cadence (daily vs every 2 months) and rating (3.7 vs 3.3). Space 4D+'s advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Planets AR sells 2 one-off in-app purchases. Space 4D+ asks for nothing beyond the download.

Planets AR holds the better App Store score, 3.7 against 3.3. That said, the two scores are not equally well evidenced: Space 4D+ has 49 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 37% of Space 4D+'s written reviews are positive against 100% of Planets AR's.

Space 4D+ ships an update every 2 months, Planets AR daily. Both last shipped on October 20, 2026.

## The numbers

| Metric | Space 4D+ | Planets AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (49 ratings)](https://appshunter.io/ios/app/space-4d-plus/id1018109847/reviews) | **[3.7 (6 ratings)](https://appshunter.io/ios/app/planets-ar-our-solar-system/id6483760783/reviews)** |
| Number of ratings | **49** | 6 |
| Positive reviews | 36.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 300 MB | 343 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Octagon Studio Ltd](https://appshunter.io/developer/998405180) | [Mayank Raj](https://appshunter.io/developer/1740256034) |

## 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


### Planets AR

[App page](https://appshunter.io/ios/app/planets-ar-our-solar-system/id6483760783)

Explore our solar system with an augmented reality experience. See planets, moons, and dwarf planets come to life in your room or the night sky. Learn fascinating facts and take photos for school projects.

**Highlights:** Augmented Reality solar system visualization, Interactive planet controls, Night mode for stargazing, Detailed planet information, Capture photos of celestial bodies, Talking planets for guidance

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Space 4D+ free?

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

### Is Planets AR free?

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

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

Planets AR is rated higher. Space 4D+ averages 3.3 out of 5 from 49 ratings, while Planets AR averages 3.7 from 6 ratings.

### Do Space 4D+ or Planets AR have ads?

Planets AR shows ads; Space 4D+ does not.

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

Space 4D+ ships an update every 2 months, and Planets AR daily. Most recently, Space 4D+ was updated on October 20, 2026 and Planets AR on October 20, 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.*