# Planet Roll vs Gravity Derby

The clearest difference is in-app purchases: Planet Roll at none against Gravity Derby's 1. Planet Roll also leads on ads (none vs shown). Gravity Derby's advantage is iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

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

## The numbers

| Metric | Planet Roll | Gravity Derby |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | — |
| Size | 75 MB | 774 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Be Yourself Ventures Ltd.](https://appshunter.io/developer/1469881783) | [云飞 徐](https://appshunter.io/developer/1849215838) |

## What reviewers say

### Planet Roll

[App page](https://appshunter.io/ios/app/planet-roll/id1633236769)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Planet Roll free?

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

### Is Gravity Derby free?

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

### Do Planet Roll or Gravity Derby have ads?

Gravity Derby shows ads; Planet Roll does not.

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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.*