# Reality Construction Kit vs Marble Run

The clearest difference is rating: Reality Construction Kit at 4.0 against Marble Run's 3.2. Reality Construction Kit also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Reality Construction Kit sells 10 one-off in-app purchases and Marble Run sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Reality Construction Kit holds the better App Store score, 4.0 against 3.2. Both are backed by a comparable volume of ratings — 46 and 100 respectively. Written reviews point the same way: 44% of Reality Construction Kit's written reviews are positive against 35% of Marble Run's.

Reality Construction Kit ships an update every 3 weeks, Marble Run every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Reality Construction Kit | Marble Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (46 ratings)](https://appshunter.io/ios/app/reality-construction-kit/id1514708594/reviews)** | [3.2 (100 ratings)](https://appshunter.io/ios/app/marble-run-race-builder/id1600859129/reviews) |
| Number of ratings | 46 | **100** |
| Positive reviews | **44.4% of reviews** | 35.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 216 MB | 295 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Pantomime Corporation](https://appshunter.io/developer/963059345) | [Darya Vladislavovna](https://appshunter.io/developer/1067566962) |

## What reviewers say

### Reality Construction Kit

[App page](https://appshunter.io/ios/app/reality-construction-kit/id1514708594)

Create and interact with realistic augmented reality objects in your physical space. Experience uncanny physics, collisions, and reflections as virtual items seamlessly integrate with your environment. Design intricate contraptions and play with them as if they were real.

**Highlights:** Realistic AR object placement, Physics-based interactions (bounce, stack, roll), Seamless integration with real environments, LiDAR sensor utilization for accuracy, Create custom contraptions and courses, Object collision and occlusion effects, In-app store for additional items

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Balls | Free | one-time |
| Dominos | $0.99 | one-time |
| Plank | $0.99 | one-time |
| Baseball Bat | $0.99 | one-time |
| Dart | $0.99 | one-time |
| Hoop | $0.99 | one-time |
| Crate | $0.99 | one-time |
| Track | $0.99 | one-time |
| Unlock All - 30 Days | $0.99 | one-time |
| Unlock All - 1 Day | $0.99 | one-time |


### Marble Run

[App page](https://appshunter.io/ios/app/marble-run-race-builder/id1600859129)

Design and build intricate marble run tracks using a variety of elements. Race your marbles and watch them navigate the physics-based courses. Collect unique marble balls and explore creations from other players.

**Highlights:** Marble Run Builder, Endless Workshop, Thrilling Marble Races, Collectible Marbles, Realistic Physics

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marble run PRO | $4.99 | per month |


## Frequently asked questions

### Is Reality Construction Kit free?

Reality Construction Kit is free to download, with in-app purchases available.

### Is Marble Run free?

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

### Which has better reviews, Reality Construction Kit or Marble Run?

Reality Construction Kit is rated higher. Reality Construction Kit averages 4.0 out of 5 from 46 ratings, while Marble Run averages 3.2 from 100 ratings.

### Do Reality Construction Kit or Marble Run have ads?

Marble Run shows ads; Reality Construction Kit does not.

### Which is updated more often, Reality Construction Kit or Marble Run?

Reality Construction Kit ships an update every 3 weeks, and Marble Run every 4 months. Most recently, Reality Construction Kit was updated on October 24, 2026 and Marble Run on October 24, 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.*