# Slap Stack! vs Stacky Ducks

The clearest difference is update cadence: Stacky Ducks at every 2 days against Slap Stack!'s every 16 months. On price, ads, 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.

Slap Stack! ships an update every 16 months, Stacky Ducks every 2 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Slap Stack! | Stacky Ducks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 2 days** |
| Size | 72 MB | 75 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Mustafa Ilker Goncu](https://appshunter.io/developer/1590036986) |

## What reviewers say

### Slap Stack!

[App page](https://appshunter.io/ios/app/slap-stack/id1589447649)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stacky Ducks

[App page](https://appshunter.io/ios/app/stacky-ducks/id1600122202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Slap Stack! free?

Slap Stack! is free to download, with no in-app purchases.

### Is Stacky Ducks free?

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

### Do Slap Stack! or Stacky Ducks have ads?

Both Slap Stack! and Stacky Ducks show ads.

### Which is updated more often, Slap Stack! or Stacky Ducks?

Slap Stack! ships an update every 16 months, and Stacky Ducks every 2 days. Most recently, Slap Stack! was updated on September 30, 2026 and Stacky Ducks on October 7, 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.*