# Slap Stack! vs John Wicked

The clearest difference is in-app purchases: Slap Stack! at none against John Wicked's 1. Slap Stack! also leads on iOS requirement (12.0 vs 18.0). John Wicked's advantage is update cadence (every 2 months vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. John Wicked sells 1 one-off in-app purchase. Slap Stack! asks for nothing beyond the download.

Slap Stack! ships an update every 16 months, John Wicked every 2 months. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Slap Stack! | John Wicked |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 72 MB | 10 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Claudio Souza Mattos](https://appshunter.io/developer/1774316937) |

## What reviewers say

### Slap Stack!

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

**Features:** macOS Compatibility

**In-app purchases:** none


### John Wicked

[App page](https://appshunter.io/ios/app/john-wicked/id1670436405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Slap Stack! free?

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

### Is John Wicked free?

John Wicked is free to download, with in-app purchases available.

### Do Slap Stack! or John Wicked have ads?

Both Slap Stack! and John Wicked show ads.

### Which is updated more often, Slap Stack! or John Wicked?

Slap Stack! ships an update every 16 months, and John Wicked every 2 months. Most recently, Slap Stack! was updated on September 30, 2026 and John Wicked on October 4, 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.*