# Forces Playground vs ER3D Euler Rotations in 3D

The clearest difference is iOS requirement: Forces Playground at 9.0 against ER3D Euler Rotations in 3D's 18.0. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 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 ER3D Euler Rotations in 3D. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Forces Playground | ER3D Euler Rotations in 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/forces-playground/id954854339/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/er3d-euler-rotations-in-3d/id6741169432/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 | — |
| Monetization | Free | Free |
| Size | 7 MB | 114 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert L Zimmelman](https://appshunter.io/developer/954130860) | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) |

## 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


### ER3D Euler Rotations in 3D

[App page](https://appshunter.io/ios/app/er3d-euler-rotations-in-3d/id6741169432)

Explore 3D rotational kinematics with interactive models and augmented reality. Visualize complex concepts like yaw, pitch, roll, procession, nutation, and spin. Ideal for engineering students and learners.

**Highlights:** 3D rotational kinematics visualization, Augmented Reality (AR) mode, Space Shuttle and Gyroscope models, Adjustable angles (yaw, pitch, roll, etc.), Interactive Globe Earth model, Contextual text descriptions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Forces Playground free?

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

### Is ER3D Euler Rotations in 3D free?

ER3D Euler Rotations in 3D is free to download, with no in-app purchases.

### Which has better reviews, Forces Playground or ER3D Euler Rotations in 3D?

Forces Playground and ER3D Euler Rotations in 3D are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Forces Playground or ER3D Euler Rotations in 3D have ads?

Neither Forces Playground nor ER3D Euler Rotations in 3D 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.*