# Gravity Derby vs Swing By

The clearest difference is in-app purchases: Swing By at none against Gravity Derby's 1. Gravity Derby's advantage is iOS requirement (13.0 vs 15). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Gravity Derby | Swing By |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | — | Fortnightly |
| Size | 774 MB | 103 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [云飞 徐](https://appshunter.io/developer/1849215838) | [woongkyum kim](https://appshunter.io/developer/1869548480) |

## What reviewers say

### Gravity Derby

[App page](https://appshunter.io/ios/app/gravity-derby/id6755297391)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Skin Coins | $0.99 | one-time |


### Swing By

[App page](https://appshunter.io/ios/app/swing-by-deep-space/id6759026297)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Derby free?

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

### Is Swing By free?

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

### Do Gravity Derby or Swing By have ads?

Both Gravity Derby and Swing By show 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.*