# Just Stack vs Marble Sort Run

The clearest difference is in-app purchases: Just Stack at none against Marble Sort Run's 1. Just Stack also leads on ads (none vs shown) and update cadence (daily vs weekly). Marble Sort Run's advantage is iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Marble Sort Run sells 1 one-off in-app purchase. Just Stack asks for nothing beyond the download.

Just Stack ships an update daily, Marble Sort Run weekly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Just Stack | Marble Sort Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/marble-sort-run-color-ball/id6761684164/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Ad-supported |
| Size | 3 MB | 105 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Pereira](https://appshunter.io/developer/1686588142) | [Fire Block 8](https://appshunter.io/developer/1734010765) |

## What reviewers say

### Just Stack

[App page](https://appshunter.io/ios/app/just-stack/id6761028897)

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

**In-app purchases:** none


### Marble Sort Run

[App page](https://appshunter.io/ios/app/marble-sort-run-color-ball/id6761684164)

Engage in a dynamic marble sorting puzzle with realistic physics and ASMR effects. Guide colorful marbles onto a moving conveyor and into matching color boxes, requiring timing and strategy to clear hundreds of levels. This brain-training game offers a relaxing yet challenging experience for fans of sorting puzzles.

**Highlights:** Dynamic marble sorting with moving conveyor, Realistic 3D physics and ASMR effects, Hundreds of challenging levels, Offline gameplay support, One-tap controls, Brain training for logic and strategy

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Just Stack free?

Just Stack is free to download, with no in-app purchases.

### Is Marble Sort Run free?

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

### Do Just Stack or Marble Sort Run have ads?

Marble Sort Run shows ads; Just Stack does not.

### Which is updated more often, Just Stack or Marble Sort Run?

Just Stack ships an update daily, and Marble Sort Run weekly. Most recently, Just Stack was updated on October 4, 2026 and Marble Sort Run on October 6, 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.*