# Card Merging Puzzle vs Stackel

The clearest difference is ads: Card Merging Puzzle at none against Stackel's shown. Stackel's advantage is update cadence (every 5 days vs every 11 months) and iOS requirement (11.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

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

Card Merging Puzzle ships an update every 11 months, Stackel every 5 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | Card Merging Puzzle | Stackel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 5 days** |
| Size | 98 MB | 65 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hieu Hoang](https://appshunter.io/developer/1108291419) | [GUY WAISMAN](https://appshunter.io/developer/1696320836) |

## What reviewers say

### Card Merging Puzzle

[App page](https://appshunter.io/ios/app/card-merging-puzzle/id6449497432)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stackel

[App page](https://appshunter.io/ios/app/stackel/id6451363518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Card Merging Puzzle free?

Card Merging Puzzle is free to download, with no in-app purchases.

### Is Stackel free?

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

### Do Card Merging Puzzle or Stackel have ads?

Stackel shows ads; Card Merging Puzzle does not.

### Which is updated more often, Card Merging Puzzle or Stackel?

Card Merging Puzzle ships an update every 11 months, and Stackel every 5 days. Most recently, Card Merging Puzzle was updated on October 27, 2026 and Stackel on October 27, 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.*