# Mystic Water Sort vs StackUp Card Game

The clearest difference is in-app purchases: Mystic Water Sort at none against StackUp Card Game's 2. Mystic Water Sort also leads on iOS requirement (13.0 vs 15.0). StackUp Card Game's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. StackUp Card Game sells 2 one-off in-app purchases. Mystic Water Sort asks for nothing beyond the download.

Mystic Water Sort ships an update every 2 weeks, StackUp Card Game every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Mystic Water Sort | StackUp Card Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (52 ratings)](https://appshunter.io/ios/app/mystic-water-sort/id6764883597/reviews)** | — |
| Number of ratings | **52** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 386 MB | 202 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [瑶 张](https://appshunter.io/developer/1895510583) | [Nick Hall](https://appshunter.io/developer/1670171795) |

## What reviewers say

### Mystic Water Sort

[App page](https://appshunter.io/ios/app/mystic-water-sort/id6764883597)

Engage your mind with this tranquil yet challenging puzzle game. It offers a relaxing experience designed to stimulate your thinking.

**Highlights:** Brainy puzzle gameplay, Calming atmosphere, Challenging levels, Stimulates thinking

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

**In-app purchases:** none


### StackUp Card Game

[App page](https://appshunter.io/ios/app/stackup-card-game/id6768074949)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NurseryTracks | $0.99 | one-time |
| StackUp Pro | $3.99 | one-time |


## Frequently asked questions

### Is Mystic Water Sort free?

Mystic Water Sort is free to download, with no in-app purchases.

### Is StackUp Card Game free?

StackUp Card Game is free to download, with in-app purchases available.

### Do Mystic Water Sort or StackUp Card Game have ads?

Mystic Water Sort shows ads; StackUp Card Game does not.

### Which is updated more often, Mystic Water Sort or StackUp Card Game?

Mystic Water Sort ships an update every 2 weeks, and StackUp Card Game every 4 days. Most recently, Mystic Water Sort was updated on October 25, 2026 and StackUp Card Game on October 28, 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.*