# Forces Playground vs Gravity 6D

The clearest difference is price: Forces Playground at Free against Gravity 6D's $1.99. Forces Playground also leads on update cadence (every 3 months vs every 16 months) and iOS requirement (9.0 vs 12.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Forces Playground is free to download; Gravity 6D costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Forces Playground against 5.0 for Gravity 6D. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Forces Playground ships an update every 3 months, Gravity 6D every 16 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Forces Playground | Gravity 6D |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/forces-playground/id954854339/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-6d/id1620686014/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | **Free** | Paid |
| Size | 7 MB | 49 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert L Zimmelman](https://appshunter.io/developer/954130860) | [Creetah Ltd.](https://appshunter.io/developer/1091214069) |

## What reviewers say

### Forces Playground

[App page](https://appshunter.io/ios/app/forces-playground/id954854339)

Explore how different forces impact objects in a simulated space environment. Users can add objects and apply gravity, anti-gravity, or vortex forces to observe their effects. Adjust force strength and object mass to create unique physics interactions.

**Highlights:** Apply gravity, anti-gravity, and vortex forces, Adjust force strength and object mass, Observe object interactions in real-time, Clear and reset the scene, Show or hide forces

**Features:** macOS Compatibility

**In-app purchases:** none


### Gravity 6D

[App page](https://appshunter.io/ios/app/gravity-6d/id1620686014)

Explore advanced physics with this application that allows for the simulation of up to six-dimensional gravity. Customize simulation parameters, adjust speed and visuals, and save your creations for later review.

**Highlights:** 6D mass particle simulations, Customizable simulation setup, Adjustable simulation speed, Visual preference settings, Save simulations

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

**In-app purchases:** none


## Frequently asked questions

### Is Forces Playground free?

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

### Is Gravity 6D free?

Gravity 6D costs $1.99, with no in-app purchases.

### Which has better reviews, Forces Playground or Gravity 6D?

Forces Playground and Gravity 6D are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Forces Playground or Gravity 6D have ads?

Neither Forces Playground nor Gravity 6D shows ads.

### Which is updated more often, Forces Playground or Gravity 6D?

Forces Playground ships an update every 3 months, and Gravity 6D every 16 months. Most recently, Forces Playground was updated on October 2, 2026 and Gravity 6D on September 26, 2026.

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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.*