# Stack and Sort vs Operapuzzle

The clearest difference is update cadence: Operapuzzle at every 10 days against Stack and Sort's every 9 months. Operapuzzle also leads on monetization model (free vs ad-supported). Stack and Sort's advantage is iOS requirement (13.0 vs 17.2). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Stack and Sort ships an update every 9 months, Operapuzzle every 10 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Stack and Sort | Operapuzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/operapuzzle-opera-mask/id6758448822/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | Ad-supported | **Free** |
| Size | 122 MB | 23 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gameyogi Private Limited](https://appshunter.io/developer/1718176366) | [东辉 李](https://appshunter.io/developer/1453279379) |

## What reviewers say

### Stack and Sort

[App page](https://appshunter.io/ios/app/stack-and-sort-color-puzzle/id6529530947)

Engage in a vibrant color sorting puzzle game. Strategically stack and sort colors, utilizing power-ups to overcome obstacles and solve hundreds of increasingly challenging levels. Enjoy a relaxing yet mentally stimulating experience.

**Highlights:** Color sorting gameplay, Hammer, Paint, and Bomb power-ups, Hundreds of challenging levels, Dynamic and surprising grid layouts, Unlockable vibrant themes, Increasing difficulty progression

**Features:** macOS Compatibility

**In-app purchases:** none


### Operapuzzle

[App page](https://appshunter.io/ios/app/operapuzzle-opera-mask/id6758448822)

A tranquil puzzle game where you restore portraits of traditional Chinese opera characters. Select a role and meticulously place puzzle pieces to reveal their iconic masks. Enjoy a clean interface with optional soothing audio for short, relaxing play sessions.

**Highlights:** Opera mask portrait restoration, Character selection with unlockable roles, Piece-by-piece puzzle gameplay, Clean and soothing interface, Optional background music and sound effects, Designed for short, relaxing sessions

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack and Sort free?

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

### Is Operapuzzle free?

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

### Do Stack and Sort or Operapuzzle have ads?

Both Stack and Sort and Operapuzzle show ads.

### Which is updated more often, Stack and Sort or Operapuzzle?

Stack and Sort ships an update every 9 months, and Operapuzzle every 10 days. Most recently, Stack and Sort was updated on October 13, 2026 and Operapuzzle on October 9, 2026.

---

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