# Colorful Stack vs Keep Sorting

The clearest difference is rating: Keep Sorting at 4.8 against Colorful Stack's 2.0. Keep Sorting also leads on ratings volume (12 vs 1). Colorful Stack's advantage is update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Keep Sorting holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Keep Sorting has 12 ratings behind it against 1, so its average is the more settled of the two.

Colorful Stack ships an update every 2 months, Keep Sorting every 6 months. The most recent releases landed on September 8, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Colorful Stack | Keep Sorting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/colorful-stack/id6469148764/reviews) | **[4.8 (12 ratings)](https://appshunter.io/ios/app/keep-sorting/id6480009875/reviews)** |
| Number of ratings | 1 | **12** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 95 MB | 102 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Mehmet Fatih Sahin](https://appshunter.io/developer/1700697055) | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) |

## What reviewers say

### Colorful Stack

[App page](https://appshunter.io/ios/app/colorful-stack/id6469148764)

A match-3 puzzle game where players tap to move colored items into slots. The goal is to stack three identical items to clear them and progress through increasingly difficult challenges.

**Highlights:** Match-3 puzzle gameplay, Tap to move items, Stack same-colored items, Clear items to progress, Explore new challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep Sorting

[App page](https://appshunter.io/ios/app/keep-sorting/id6480009875)

A casual puzzle game where players slide and release to throw stacks of colored disks. Match disks of the same color to sort them and collect them by matching ten or more. Enjoy a simple yet engaging sorting experience.

**Highlights:** Slide and release controls, Match same-colored disks, Collect disks by matching 10+, Simple gameplay mechanics, Engaging puzzle challenges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Colorful Stack free?

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

### Is Keep Sorting free?

Keep Sorting is free to download, with no in-app purchases.

### Which has better reviews, Colorful Stack or Keep Sorting?

Keep Sorting is rated higher. Colorful Stack averages 2.0 out of 5 from 1 ratings, while Keep Sorting averages 4.8 from 12 ratings.

### Do Colorful Stack or Keep Sorting have ads?

Both Colorful Stack and Keep Sorting show ads.

### Which is updated more often, Colorful Stack or Keep Sorting?

Colorful Stack ships an update every 2 months, and Keep Sorting every 6 months. Most recently, Colorful Stack was updated on September 8, 2026 and Keep Sorting 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.*