# Knock'em All vs Self Slapper

The clearest difference is in-app purchases: Self Slapper at none against Knock'em All's 1. Self Slapper also leads on update cadence (daily vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Knock'em All sells 1 one-off in-app purchase. Self Slapper asks for nothing beyond the download.

Knock'em All ships an update every 2 months, Self Slapper daily. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Knock'em All | Self Slapper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (205K ratings)](https://appshunter.io/ios/app/knockem-all/id1499833702/reviews)** | — |
| Number of ratings | **205K** | — |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 241 MB | 93 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Ozgur Taskin](https://appshunter.io/developer/1507261304) |

## What reviewers say

### Knock'em All

[App page](https://appshunter.io/ios/app/knockem-all/id1499833702)

Jump between buildings and shoot targets to make them fall. Master chaining sections together for faster progression. Enjoy simple controls and addictive gameplay.

**Highlights:** Jump between buildings, Shoot dummies to destabilize, Chain sections together, Simple and intuitive controls, Addictive gameplay mechanics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Simple and easy to play
- 💡 Satisfying ragdoll physics
- 🚀 Quick progression through levels

**What reviewers complain about**

- 🐛 Repetitive and monotonous levels
- 💸 Excessive ads interrupting gameplay
- 🔋 Game drains battery quickly
- 🐛 Bugs and crashes on some devices

**Reported bugs**

- Enemies getting stuck or falling off the map
- Camera issues causing missed shots
- Ads not being removed after purchase

**Requested features**

- More enemy variety and difficulty levels
- Additional weapons and power-ups
- Ability to control the player character
- More level designs and environments
- Stat tracking and challenge modes


### Self Slapper

[App page](https://appshunter.io/ios/app/self-slapper/id1618771659)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knock'em All free?

Knock'em All is free to download, with in-app purchases available.

### Is Self Slapper free?

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

### Do Knock'em All or Self Slapper have ads?

Both Knock'em All and Self Slapper show ads.

### Which is updated more often, Knock'em All or Self Slapper?

Knock'em All ships an update every 2 months, and Self Slapper daily. Most recently, Knock'em All was updated on October 26, 2026 and Self Slapper on October 5, 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.*