# Gravity One vs ROKKA

The clearest difference is in-app purchases: Gravity One at none against ROKKA's 1. ROKKA's advantage is iOS requirement (7.0 vs 18.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Gravity One | ROKKA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rokka/id1291215394/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 156 MB |
| Requires iOS | 18.0 | **7.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sami Salkosuo](https://appshunter.io/developer/820432278) | [Y. MOCHIDUKI](https://appshunter.io/developer/556544131) |

## What reviewers say

### Gravity One

[App page](https://appshunter.io/ios/app/gravity-one/id820432275)

**Features:** macOS Compatibility

**In-app purchases:** none


### ROKKA

[App page](https://appshunter.io/ios/app/rokka/id1291215394)

An action-packed endless runner game with beautiful graphics and simple yet challenging gameplay. Compete to achieve the highest score in this exciting adventure.

**Highlights:** Endless runner gameplay, Beautiful graphics, Challenging gameplay, High score competition

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Gravity One free?

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

### Is ROKKA free?

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

### Do Gravity One or ROKKA have ads?

Neither Gravity One nor ROKKA 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.*