# Stack Crash vs Knock It Down!

The clearest difference is in-app purchases: Stack Crash at none against Knock It Down!'s 7. Stack Crash also leads on ads (none vs shown) and rating (5.0 vs 4.7). Knock It Down!'s advantage is ratings volume (812 vs 5). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Knock It Down! sells 7 one-off in-app purchases. Stack Crash asks for nothing beyond the download.

Stack Crash holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Knock It Down! has 812 ratings behind it against 5, so its average is the more settled of the two.

Stack Crash ships an update every 2 weeks, Knock It Down! weekly. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Stack Crash | Knock It Down! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/stack-crash/id6784341057/reviews)** | [4.7 (812 ratings)](https://appshunter.io/ios/app/knock-it-down/id6785199935/reviews) |
| Number of ratings | 5 | **812** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 384 MB | 212 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ZiNKY OYUN YAZILIM ANONiM SiRKETi](https://appshunter.io/developer/1543346364) | [Zehra Koc](https://appshunter.io/developer/1859577692) |

## What reviewers say

### Stack Crash

[App page](https://appshunter.io/ios/app/stack-crash/id6784341057)

Engage in a physics-based puzzle game where you strategically fire balls to demolish structures and collect hidden targets. Each shot alters the environment, requiring precision and planning to overcome increasingly complex levels.

**Highlights:** Physics-based demolition, Strategic ball firing, Target collection, Chain reaction triggers, Increasingly challenging levels, Realistic physics simulation

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

**In-app purchases:** none


### Knock It Down!

[App page](https://appshunter.io/ios/app/knock-it-down/id6785199935)

A physics-based shooting game where you use a cannon to topple stacks of objects. Aim carefully to trigger chain reactions and clear levels with limited ammo. Offers hundreds of progressively challenging stages.

**Highlights:** One-touch aim and shoot, Realistic physics destruction, Multiple object types, Limited ball count per level, Hundreds of challenging levels

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini Coin Package | $1.99 | one-time |
| Small Coin Package | $7.99 | one-time |
| No Ads | $9.99 | one-time |
| Medium Coin Package | $14.99 | one-time |
| Big Coin Package | $29.99 | one-time |
| Super Coin Package | $54.99 | one-time |
| Mega Coin Package | $99.99 | one-time |


## Frequently asked questions

### Is Stack Crash free?

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

### Is Knock It Down! free?

Knock It Down! is free to download, with in-app purchases available.

### Which has better reviews, Stack Crash or Knock It Down!?

Stack Crash is rated higher. Stack Crash averages 5.0 out of 5 from 5 ratings, while Knock It Down! averages 4.7 from 812 ratings.

### Do Stack Crash or Knock It Down! have ads?

Knock It Down! shows ads; Stack Crash does not.

### Which is updated more often, Stack Crash or Knock It Down!?

Stack Crash ships an update every 2 weeks, and Knock It Down! weekly. Most recently, Stack Crash was updated on September 25, 2026 and Knock It Down! on October 2, 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.*