# Ring Stack vs ChromabarQ

The clearest difference is in-app purchases: ChromabarQ at none against Ring Stack's 1. ChromabarQ also leads on update cadence (every 2 weeks vs every 5 weeks). Ring Stack's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Ring Stack sells 1 one-off in-app purchase. ChromabarQ asks for nothing beyond the download.

Ring Stack ships an update every 5 weeks, ChromabarQ every 2 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ring Stack | ChromabarQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/ring-stack-color-sort/id1610379899/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 23 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Shendrikov](https://appshunter.io/developer/1548534996) | [jaegeun so](https://appshunter.io/developer/6772976142) |

## What reviewers say

### Ring Stack

[App page](https://appshunter.io/ios/app/ring-stack-color-sort/id1610379899)

Engage in a classic and addictive puzzle experience. Arrange colorful hoops by sorting them onto the correct stacks. This game offers a simple yet challenging way to test your sorting skills.

**Highlights:** Classic addictive puzzle gameplay, Colorful hoop sorting, Simple and challenging mechanics, Intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### ChromabarQ

[App page](https://appshunter.io/ios/app/chromabarq-stacksortsolve/id6783116120)

**In-app purchases:** none


## Frequently asked questions

### Is Ring Stack free?

Ring Stack is free to download, with in-app purchases available.

### Is ChromabarQ free?

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

### Do Ring Stack or ChromabarQ have ads?

Both Ring Stack and ChromabarQ show ads.

### Which is updated more often, Ring Stack or ChromabarQ?

Ring Stack ships an update every 5 weeks, and ChromabarQ every 2 weeks. Most recently, Ring Stack was updated on October 5, 2026 and ChromabarQ on October 12, 2026.

---

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