# Backyard Apollo AR vs Planet Gravity

The clearest difference is price: Backyard Apollo AR at Free against Planet Gravity's $11.00. Backyard Apollo AR also leads on rating (4.7 vs 4.2) and in-app purchases (none vs 1). On update cadence, device support and iOS requirement there is nothing between them.

Backyard Apollo AR is free to download; Planet Gravity costs $11.00 up front. Planet Gravity sells 1 one-off in-app purchase. Backyard Apollo AR asks for nothing beyond the download.

Backyard Apollo AR holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Backyard Apollo AR has 1.5K ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 70% of Backyard Apollo AR's written reviews are positive against 44% of Planet Gravity's.

Backyard Apollo AR ships an update every 7 months, Planet Gravity every 4 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Backyard Apollo AR | Planet Gravity |
| --- | --- | --- |
| Price | **Free** | $11.00 |
| Rating | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/backyard-apollo-ar/id1258795104/reviews)** | [4.2 (54 ratings)](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157/reviews) |
| Number of ratings | **1.5K** | 54 |
| Positive reviews | **69.6% of reviews** | 44.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | **Free** | Paid |
| Size | 82 MB | 108 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wobbleworks LLC](https://appshunter.io/developer/404664339) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### Backyard Apollo AR

[App page](https://appshunter.io/ios/app/backyard-apollo-ar/id1258795104)

Experience a life-sized Apollo Saturn V rocket in augmented reality. Explore it from all angles, walk around it, and launch it with realistic sounds and visuals. Customize your rocket experience and share snapshots.

**Highlights:** Life-sized rocket model, 360-degree viewing, Augmented reality placement, Realistic launch sequence, Authentic mission sounds, Customizable rocket experience, Snapshot sharing

**In-app purchases:** none

**What reviewers like**

- 🚀 Realistic rocket simulation
- 👍 Engaging and educational experience
- 💡 Potential for more rocket models
- 👍 Free to download

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Camera authorization issues
- 🔋 High memory and storage usage
- 🐛 Compatibility problems on older devices

**Reported bugs**

- Startup crashes and sensor reset loops
- Rocket launch sequence freezes
- Persistent audio issues after app closure

**Requested features**

- Add more rocket models and launch configurations
- Implement video recording capability
- Improve overall stability and performance


### 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 Backyard Apollo AR free?

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

### Is Planet Gravity free?

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

### Which has better reviews, Backyard Apollo AR or Planet Gravity?

Backyard Apollo AR is rated higher. Backyard Apollo AR averages 4.7 out of 5 from 1.5K ratings, while Planet Gravity averages 4.2 from 54 ratings.

### Do Backyard Apollo AR or Planet Gravity have ads?

Planet Gravity shows ads; Backyard Apollo AR does not.

### Which is updated more often, Backyard Apollo AR or Planet Gravity?

Backyard Apollo AR ships an update every 7 months, and Planet Gravity every 4 months. Most recently, Backyard Apollo AR was updated on October 13, 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.*