# Marble Up vs Alien Sort

The clearest difference is rating: Marble Up at 5.0 against Alien Sort's 3.0. On price, ratings volume, update cadence 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.

Marble Up holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Marble Up ships an update weekly, Alien Sort every 9 days. The most recent releases landed on September 22, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Marble Up | Alien Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marble-up/id6748605590/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/alien-sort/id6749637560/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Ad-supported | Ad-supported |
| Size | 130 MB | 117 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Backpack Games](https://appshunter.io/developer/1516613435) | [Fiedosieiev Nikita](https://appshunter.io/developer/1744576878) |

## What reviewers say

### Marble Up

[App page](https://appshunter.io/ios/app/marble-up/id6748605590)

Engage in a satisfying puzzle game that challenges your sorting and strategic thinking. Match colored balls to fill tubes and create chain reactions. Utilize extra tubes for sorting and swapping to overcome tight spaces and unlock new mechanics as you progress.

**Highlights:** Brain-teasing sorting and planning, Satisfying chain reactions, Strategic use of extra tubes, Unlock new mechanics, Smooth and colorful gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Alien Sort

[App page](https://appshunter.io/ios/app/alien-sort/id6749637560)

Guide UFOs to sort aliens into their correct destinations. Avoid overfilling the central dock to prevent losing. Enjoy diverse levels and engaging gameplay with numerous features.

**Highlights:** UFO-based alien sorting, Avoid overfilling dock mechanic, Variety of levels, Numerous features, Interesting gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marble Up free?

Marble Up is free to download, with no in-app purchases.

### Is Alien Sort free?

Alien Sort is free to download, with no in-app purchases.

### Which has better reviews, Marble Up or Alien Sort?

Marble Up is rated higher. Marble Up averages 5.0 out of 5 from 1 ratings, while Alien Sort averages 3.0 from 1 ratings.

### Do Marble Up or Alien Sort have ads?

Both Marble Up and Alien Sort show ads.

### Which is updated more often, Marble Up or Alien Sort?

Marble Up ships an update weekly, and Alien Sort every 9 days. Most recently, Marble Up was updated on September 22, 2026 and Alien Sort on June 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.*