# Stack Star vs Ring Out!

The clearest difference is ratings volume: Ring Out! at 78 against Stack Star's 4. On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Stack Star sells 10 one-off in-app purchases and Ring Out! sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Stack Star holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Ring Out! has 78 ratings behind it against 4, so its average is the more settled of the two.

Stack Star ships an update every 9 days, Ring Out! every 5 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | Stack Star | Ring Out! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stack-star-color-sort/id6770474297/reviews)** | [4.8 (78 ratings)](https://appshunter.io/ios/app/ring-out-untangle-puzzle/id6820155153/reviews) |
| Number of ratings | 4 | **78** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 361 MB | 265 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moonstep Games](https://appshunter.io/developer/1827009450) | [AN KHUE CO.,LTD](https://appshunter.io/developer/1890986149) |

## What reviewers say

### Stack Star

[App page](https://appshunter.io/ios/app/stack-star-color-sort/id6770474297)

A strategy-based puzzle game where players move colorful blocks between columns to organize them by color. It offers hundreds of handcrafted logic puzzles with simple mechanics that become challenging to master.

**Highlights:** Unique color stacking gameplay, Organize blocks by color, Hundreds of logic puzzles, Easy to learn, challenging to master, Smooth animations and satisfying interactions, Discover new mechanics

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| 1000 Coins | $1.99 | one-time |
| Star Bundle | $4.99 | one-time |
| No Ads | $7.99 | one-time |
| Super Bundle | $9.99 | one-time |
| Mega Bundle | $19.99 | one-time |
| Giant Bundle | $49.99 | one-time |
| 50000 Coins | $59.99 | one-time |
| 100000 Coins | $89.99 | one-time |
| Ultimate Bundle | $99.99 | one-time |


### Ring Out!

[App page](https://appshunter.io/ios/app/ring-out-untangle-puzzle/id6820155153)

This game challenges you to untangle rings by rotating them to find the correct exit path. Progress through hundreds of levels with increasing complexity and new mechanics. Enjoy satisfying chain reactions and train your logic skills.

**Highlights:** Rotate rings to find exit paths, Hundreds of handcrafted levels, New mechanics like bars and frozen rings, Tense countdown timer, Satisfying chain reactions and haptic feedback, Short levels for on-the-go play

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Coin Pack 5000 | $7.99 | one-time |
| No Ads | $7.99 | one-time |
| Coin Pack 10000 | $14.99 | one-time |
| Coin Pack 25000 | $29.99 | one-time |
| Coin Pack 50000 | $54.99 | one-time |
| Coin Pack 100000 | $99.99 | one-time |


## Frequently asked questions

### Is Stack Star free?

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

### Is Ring Out! free?

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

### Which has better reviews, Stack Star or Ring Out!?

Stack Star is rated higher. Stack Star averages 5.0 out of 5 from 4 ratings, while Ring Out! averages 4.8 from 78 ratings.

### Do Stack Star or Ring Out! have ads?

Both Stack Star and Ring Out! show ads.

### Which is updated more often, Stack Star or Ring Out!?

Stack Star ships an update every 9 days, and Ring Out! every 5 days. Most recently, Stack Star was updated on November 10, 2026 and Ring Out! on November 10, 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.*