# Perihelion vs Gravity Physics

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

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

## The numbers

| Metric | Perihelion | Gravity Physics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 35 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyle Schaller](https://appshunter.io/developer/1883545800) | [Zoltan Homorodi](https://appshunter.io/developer/1583313543) |

## What reviewers say

### Perihelion

[App page](https://appshunter.io/ios/app/perihelion-orbital-game/id6762437099)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Mission Pack | $1.99 | one-time |


### Gravity Physics

[App page](https://appshunter.io/ios/app/gravity-physics/id6785758114)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Perihelion free?

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

### Is Gravity Physics free?

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

### Do Perihelion or Gravity Physics have ads?

Neither Perihelion nor Gravity Physics 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.*