# Planet Gravity vs Outer Space Game for Children

The clearest difference is price: Outer Space Game for Children at Free against Planet Gravity's $11.00. Outer Space Game for Children also leads on ads (none vs shown). Planet Gravity's advantage is review sentiment (44% vs 0%) and rating (4.2 vs 3.9). On ratings volume, update cadence, in-app purchases and device support there is nothing between them.

Outer Space Game for Children is free to download; Planet Gravity costs $11.00 up front. Planet Gravity sells 1 one-off in-app purchase and Outer Space Game for Children sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Planet Gravity holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 54 and 149 respectively. Written reviews point the same way: 44% of Planet Gravity's written reviews are positive against 0% of Outer Space Game for Children's.

Planet Gravity ships an update every 4 months, Outer Space Game for Children every 6 months. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Planet Gravity | Outer Space Game for Children |
| --- | --- | --- |
| Price | $11.00 | **Free** |
| Rating | **[4.2 (54 ratings)](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157/reviews)** | [3.9 (149 ratings)](https://appshunter.io/ios/app/outer-space-game-for-children/id6444881546/reviews) |
| Number of ratings | 54 | **149** |
| Positive reviews | **44.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Paid | **Freemium** |
| Size | 108 MB | 184 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [Apic Ways](https://appshunter.io/developer/1635604961) |

## What reviewers say

### Planet Gravity

[App page](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157)

Engage in a physics-based game simulating asteroid flight and solar system creation. Complete missions to explore the universe and pass the time. Discover other titles for freeform universe building.

**Highlights:** Physics-based gameplay, Asteroid simulation, Solar system creation, Level-based missions, Universe exploration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Golden Pass | $2.99 | one-time |


### Outer Space Game for Children

[App page](https://appshunter.io/ios/app/outer-space-game-for-children/id6444881546)

This educational game helps children learn about the solar system, planets, and moons through interactive play. It features a child-friendly interface, full voiceover, and focuses on teaching colors and object sizes in a fun, outer space environment.

**Highlights:** Learn about planets and moons, Differentiate object sizes, Recognize colors, Child-friendly interface, Full voiceover support, Safe and ad-free environment

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kidify games for month | $4.99 | per month |
| Kidify games for year | $39.99 | per year |


## Frequently asked questions

### Is Planet Gravity free?

Planet Gravity costs $11.00, and also offers in-app purchases.

### Is Outer Space Game for Children free?

Outer Space Game for Children is free to download, with in-app purchases available.

### Which has better reviews, Planet Gravity or Outer Space Game for Children?

Planet Gravity is rated higher. Planet Gravity averages 4.2 out of 5 from 54 ratings, while Outer Space Game for Children averages 3.9 from 149 ratings.

### Do Planet Gravity or Outer Space Game for Children have ads?

Planet Gravity shows ads; Outer Space Game for Children does not.

### Which is updated more often, Planet Gravity or Outer Space Game for Children?

Planet Gravity ships an update every 4 months, and Outer Space Game for Children every 6 months. Most recently, Planet Gravity was updated on October 15, 2026 and Outer Space Game for Children on October 21, 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.*