# MoonOutpost vs Planet Gravity

The clearest difference is rating: MoonOutpost at 5.0 against Planet Gravity's 4.2. MoonOutpost also leads on price ($2.99 vs $11.00) and in-app purchases (none vs 1). Planet Gravity's advantage is ratings volume (54 vs 2) and iOS requirement (15.6 vs 17.4). On monetization model and device support there is nothing between them.

MoonOutpost costs $2.99 and Planet Gravity $11.00 up front. Planet Gravity sells 1 one-off in-app purchase. MoonOutpost asks for nothing beyond the download.

MoonOutpost holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Planet Gravity has 54 ratings behind it against 2, so its average is the more settled of the two.

MoonOutpost ships an update every 2 weeks, Planet Gravity every 4 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MoonOutpost | Planet Gravity |
| --- | --- | --- |
| Price | **$2.99** | $11.00 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/moonoutpost/id1511014098/reviews)** | [4.2 (54 ratings)](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157/reviews) |
| Number of ratings | 2 | **54** |
| Positive reviews | — | 44.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 756 MB | 108 MB |
| Requires iOS | 17.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Outer Planet Labs LLC](https://appshunter.io/developer/304428595) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### MoonOutpost

[App page](https://appshunter.io/ios/app/moonoutpost/id1511014098)

Explore the challenges and opportunities of returning to and colonizing the Moon. This app delves into the future of lunar habitation and the scientific endeavors involved.

**Highlights:** Lunar colonization challenges, Opportunities for moon habitation, Future of space exploration, Scientific endeavors on the moon

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MoonOutpost free?

MoonOutpost costs $2.99, with no in-app purchases.

### Is Planet Gravity free?

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

### Which has better reviews, MoonOutpost or Planet Gravity?

MoonOutpost is rated higher. MoonOutpost averages 5.0 out of 5 from 2 ratings, while Planet Gravity averages 4.2 from 54 ratings.

### Do MoonOutpost or Planet Gravity have ads?

Planet Gravity shows ads; MoonOutpost does not.

### Which is updated more often, MoonOutpost or Planet Gravity?

MoonOutpost ships an update every 2 weeks, and Planet Gravity every 4 months. Most recently, MoonOutpost was updated on October 2, 2026 and Planet Gravity on October 15, 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.*