# Ring Stack vs Better Sudoku

The clearest difference is update cadence: Better Sudoku at every 4 days against Ring Stack's every 5 weeks. Ring Stack's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ring Stack sells 1 one-off in-app purchase and Better Sudoku sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Ring Stack ships an update every 5 weeks, Better Sudoku every 4 days. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Ring Stack | Better Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/ring-stack-color-sort/id1610379899/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 38 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sergei Shendrikov](https://appshunter.io/developer/1548534996) | [Nikola Hack](https://appshunter.io/developer/1495244458) |

## 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 |


### Better Sudoku

[App page](https://appshunter.io/ios/app/better-sudoku-battles-modes/id6806867900)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Better Sudoku: Monthly Premium | $9.99 | per month |
| Better Sudoku: Yearly Premium | $79.99 | per year |


## Frequently asked questions

### Is Ring Stack free?

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

### Is Better Sudoku free?

Better Sudoku is free to download, with in-app purchases available.

### Do Ring Stack or Better Sudoku have ads?

Both Ring Stack and Better Sudoku show ads.

### Which is updated more often, Ring Stack or Better Sudoku?

Ring Stack ships an update every 5 weeks, and Better Sudoku every 4 days. Most recently, Ring Stack was updated on October 22, 2026 and Better Sudoku on October 16, 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.*