# Gadget Creative Challenge vs Running Sphere

The clearest difference is price: Running Sphere at Free against Gadget Creative Challenge's $2.99. Running Sphere also leads on update cadence (every 6 weeks vs every 26 months). Gadget Creative Challenge's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Running Sphere is free to download; Gadget Creative Challenge costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gadget Creative Challenge ships an update every 26 months, Running Sphere every 6 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Gadget Creative Challenge | Running Sphere |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/gadget-creative-challenge/id1447698257/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 171 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Magnin & Associates](https://appshunter.io/developer/312671572) | [Ruben Velasco](https://appshunter.io/developer/1549457866) |

## What reviewers say

### Gadget Creative Challenge

[App page](https://appshunter.io/ios/app/gadget-creative-challenge/id1447698257)

Design and build intricate marble machine contraptions using a variety of interactive parts. Watch your creations come to life with adjustable physics and camera views. Share your unique designs with friends across multiple platforms.

**Highlights:** Create custom marble machines, Dozens of pipe and animated pieces, Adjustable physics and release intervals, Runtime adjustable controls, Save, load, and share creations, Multi-platform sharing, Multiple camera views

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

**In-app purchases:** none


### Running Sphere

[App page](https://appshunter.io/ios/app/running-sphere/id1637336193)

**In-app purchases:** none


## Frequently asked questions

### Is Gadget Creative Challenge free?

Gadget Creative Challenge costs $2.99, with no in-app purchases.

### Is Running Sphere free?

Running Sphere is free to download, with no in-app purchases.

### Do Gadget Creative Challenge or Running Sphere have ads?

Neither Gadget Creative Challenge nor Running Sphere shows ads.

### Which is updated more often, Gadget Creative Challenge or Running Sphere?

Gadget Creative Challenge ships an update every 26 months, and Running Sphere every 6 weeks. Most recently, Gadget Creative Challenge was updated on October 6, 2026 and Running Sphere on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*