# Forces Playground vs Quarked! Catcher

The clearest difference is update cadence: Forces Playground at every 3 months against Quarked! Catcher's every 39 months. Forces Playground also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Forces Playground ships an update every 3 months, Quarked! Catcher every 39 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Forces Playground | Quarked! Catcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/forces-playground/id954854339/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 39 months |
| Monetization | Free | — |
| Size | 7 MB | 38 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) | [The University of Kansas](https://appshunter.io/developer/726307325) |

## 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


### Quarked! Catcher

[App page](https://appshunter.io/ios/app/quarked-catcher/id1241481022)

**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 Quarked! Catcher free?

Quarked! Catcher is free to download, with no in-app purchases.

### Do Forces Playground or Quarked! Catcher have ads?

Neither Forces Playground nor Quarked! Catcher shows ads.

### Which is updated more often, Forces Playground or Quarked! Catcher?

Forces Playground ships an update every 3 months, and Quarked! Catcher every 39 months. Most recently, Forces Playground was updated on November 1, 2026 and Quarked! Catcher on October 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.*