# solAR vs Planet Gravity

The clearest difference is price: solAR at Free against Planet Gravity's $11.00. solAR also leads on ads (none vs shown) and rating (4.6 vs 4.2). On update cadence, in-app purchases and iOS requirement there is nothing between them.

solAR is free to download; Planet Gravity costs $11.00 up front. solAR sells 1 one-off in-app purchase and Planet Gravity sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

solAR holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: solAR has 2.1K ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 67% of solAR's written reviews are positive against 44% of Planet Gravity's.

solAR ships an update every 3 months, Planet Gravity every 4 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | solAR | Planet Gravity |
| --- | --- | --- |
| Price | **Free** | $11.00 |
| Rating | **[4.6 (2.1K ratings)](https://appshunter.io/ios/app/solar-solar-system-in-ar/id1286558019/reviews)** | [4.2 (54 ratings)](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157/reviews) |
| Number of ratings | **2.1K** | 54 |
| Positive reviews | **67.2% of reviews** | 44.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 43 MB | 108 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Stoeckli](https://appshunter.io/developer/368788110) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### solAR

[App page](https://appshunter.io/ios/app/solar-solar-system-in-ar/id1286558019)

Explore the solar system in 3D and augmented reality. View planets, moons, and the sun in high resolution, placing them in your real-world environment. Adjust distances and scales for an immersive educational experience.

**Highlights:** Augmented reality solar system exploration, High-resolution 3D models of planets and moons, Place celestial bodies in real-world environments, Adjustable planet and moon scale, Interactive learning about space, Intuitive gesture controls

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Activate all Celestial Bodies | $4.99 | one-time |

**What reviewers like**

- 🚀 Realistic and detailed planets
- 👍 Easy to use and intuitive interface
- 🌟 Great AR implementation
- 💡 Helpful for learning about the solar system

**What reviewers complain about**

- 💰 Paid content required to access full features
- 🐛 Bugs and glitches, especially after updates
- ⚠️ Inaccurate scale and proportions of planets/moons
- 🔧 Settings and controls not always intuitive

**Reported bugs**

- Planets not rendering properly in iOS 16
- Purchased content not unlocking correctly
- Frequent crashes and performance issues

**Requested features**

- Add more planets and dwarf planets
- Improve accuracy of scale and orbital mechanics
- Provide more educational information about planets
- Allow free access to full solar system view


### 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 solAR free?

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

### Is Planet Gravity free?

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

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

solAR is rated higher. solAR averages 4.6 out of 5 from 2.1K ratings, while Planet Gravity averages 4.2 from 54 ratings.

### Do solAR or Planet Gravity have ads?

Planet Gravity shows ads; solAR does not.

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

solAR ships an update every 3 months, and Planet Gravity every 4 months. Most recently, solAR was updated on September 22, 2026 and Planet Gravity on September 23, 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.*