# Gravity! vs Exosky

The clearest difference is in-app purchases: Exosky at none against Gravity!'s 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity! sells 1 one-off in-app purchase. Exosky asks for nothing beyond the download.

## The numbers

| Metric | Gravity! | Exosky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (18 ratings)](https://appshunter.io/ios/app/gravity/id738871919/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 300 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marc Davis](https://appshunter.io/developer/1010892850) | [Chaehyun Park](https://appshunter.io/developer/1772535661) |

## What reviewers say

### Gravity!

[App page](https://appshunter.io/ios/app/gravity/id738871919)

Simulate the forces of gravity by flinging particles and observing their interactions. Create celestial bodies like planets and black holes, and customize their properties. Explore vast cosmic simulations with intuitive zoom and pan controls.

**Highlights:** Gravity simulation, Particle interaction, Create solar systems, Add black holes, Adjust particle properties, Zoom and pan controls

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gravity! Extended Edition | $0.99 | one-time |


### Exosky

[App page](https://appshunter.io/ios/app/exosky/id6736586407)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity! free?

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

### Is Exosky free?

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

### Do Gravity! or Exosky have ads?

Neither Gravity! nor Exosky 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.*