# Knock It Down! vs Whack Stack!

Knock It Down! and Whack Stack! both sit at 4.7 stars, but that hides the real split: 88% of Whack Stack!'s written reviews are positive against 57% of Knock It Down!'s. Knock It Down!'s advantage is update cadence (weekly vs every 3 weeks) and monetization model (ad-supported vs free with in-app purchases). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Knock It Down! sells 7 one-off in-app purchases and Whack Stack! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Knock It Down! against 4.8 for Whack Stack!. Both are backed by a comparable volume of ratings — 812 and 891 respectively. Written reviews are what separate them: 57% of Knock It Down!'s written reviews are positive against 88% of Whack Stack!'s.

Knock It Down! ships an update weekly, Whack Stack! every 3 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Knock It Down! | Whack Stack! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (812 ratings)](https://appshunter.io/ios/app/knock-it-down/id6785199935/reviews) | **[4.8 (891 ratings)](https://appshunter.io/ios/app/whack-stack-smash-puzzle/id6790234266/reviews)** |
| Number of ratings | 812 | **891** |
| Positive reviews | 57.1% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 212 MB | 333 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zehra Koc](https://appshunter.io/developer/1859577692) | [Supercent, Inc.](https://appshunter.io/developer/1571435385) |

## What reviewers say

### 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 |


### Whack Stack!

[App page](https://appshunter.io/ios/app/whack-stack-smash-puzzle/id6790234266)

A physics-based puzzle game where players aim a cannon to strategically knock down stacked structures. Master each level by finding weak points and triggering satisfying chain reactions for quick, engaging gameplay.

**Highlights:** Simple cannon aiming and shooting, Satisfying physics-based destruction, Strategic puzzle-solving, Chain reactions and falling blocks, Varied structures to demolish, Short, satisfying levels

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| staterdeal_0.99 | $0.99 | one-time |
| moneypack1_1.99 | $1.99 | one-time |
| valuepack_1.99 | $1.99 | one-time |
| stepup1_1.99 | $1.99 | one-time |
| stepup2_4.99 | $4.99 | one-time |
| superdeal_7.99 | $7.99 | one-time |
| moneypack2_7.99 | $7.99 | one-time |
| noads_9.99 | $9.99 | one-time |
| megapack_24.99 | $24.99 | one-time |
| moneypack6_99.99 | $99.99 | one-time |


## Frequently asked questions

### Is Knock It Down! free?

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

### Is Whack Stack! free?

Whack Stack! is free to download, with in-app purchases available.

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

Whack Stack! is rated higher. Knock It Down! averages 4.7 out of 5 from 812 ratings, while Whack Stack! averages 4.8 from 891 ratings.

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

Both Knock It Down! and Whack Stack! show ads.

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

Knock It Down! ships an update weekly, and Whack Stack! every 3 weeks. Most recently, Knock It Down! was updated on October 10, 2026 and Whack Stack! on October 11, 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.*