# playGravity vs Solar System Planets

The clearest difference is in-app purchases: playGravity at none against Solar System Planets's 3. playGravity also leads on iOS requirement (13.2 vs 15.0). Solar System Planets's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Solar System Planets sells 3 in-app purchases, starting at $9.99 per month. playGravity asks for nothing beyond the download.

## The numbers

| Metric | playGravity | Solar System Planets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (10 ratings)](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 150 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [PSH di Alberto Panzera](https://appshunter.io/developer/1501364090) | [Evgeniya Senchurova](https://appshunter.io/developer/1676838995) |

## What reviewers say

### playGravity

[App page](https://appshunter.io/ios/app/playgravity/id1502902320)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar System Planets

[App page](https://appshunter.io/ios/app/solar-system-planets-3d-space/id6463002338)

Explore our solar system with interactive 3D models and detailed information about each planet. Discover celestial bodies and uncover their secrets through a user-friendly interface, perfect for students and space enthusiasts alike.

**Highlights:** Interactive 3D solar system model, High-resolution planet imagery, Detailed planet information, User-friendly interface, Educational content, Celestial body exploration

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Premium Access | $9.99 | per month |
| Three Months Premium Access | $19.99 | per 3 months |
| One Year Premium Access | $24.99 | per year |


## Frequently asked questions

### Is playGravity free?

playGravity is free to download, with no in-app purchases.

### Is Solar System Planets free?

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

### Do playGravity or Solar System Planets have ads?

Neither playGravity nor Solar System Planets shows ads.

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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.*