# Whack Stack! vs Knock Away 3D

Whack Stack! and Knock Away 3D both sit at 4.8 stars, but that hides the real split: 100% of Knock Away 3D's written reviews are positive against 88% of Whack Stack!'s. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Whack Stack! sells 10 one-off in-app purchases and Knock Away 3D sells 7 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 — 4.8 for Whack Stack! against 4.7 for Knock Away 3D. Both are backed by a comparable volume of ratings — 860 and 1.1K respectively. Written reviews are what separate them: 88% of Whack Stack!'s written reviews are positive against 100% of Knock Away 3D's.

Whack Stack! ships an update every 3 weeks, Knock Away 3D every 2 weeks. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Whack Stack! | Knock Away 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (860 ratings)](https://appshunter.io/ios/app/whack-stack-smash-puzzle/id6790234266/reviews)** | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/knock-away-3d/id6807637574/reviews) |
| Number of ratings | 860 | **1.1K** |
| Positive reviews | 88.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 332 MB | 204 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Supercent, Inc.](https://appshunter.io/developer/1571435385) | [Solid Games](https://appshunter.io/developer/1625798412) |

## What reviewers say

### 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 |


### Knock Away 3D

[App page](https://appshunter.io/ios/app/knock-away-3d/id6807637574)

Engage in a satisfying demolition experience by aiming and firing at stacked targets. Progress through increasingly challenging levels, from toppling wooden crates to smashing sturdy iron barrels, all while managing limited shots. Enjoy a relaxing and rewarding gameplay loop with no time pressure.

**Highlights:** Physics-based target destruction, Limited shot challenges, Variety of target materials, Progressive level difficulty, Chain reaction mechanics, Relaxing, no-time-limit gameplay

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coin Pack | $1.99 | one-time |
| Medium Coin Pack | $7.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Large Coin Pack | $14.99 | one-time |
| Mega Coin Pack | $29.99 | one-time |
| Giant Coin Pack | $54.99 | one-time |
| Ultimate Coin Pack | $99.99 | one-time |


## Frequently asked questions

### Is Whack Stack! free?

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

### Is Knock Away 3D free?

Knock Away 3D is free to download, with in-app purchases available.

### Which has better reviews, Whack Stack! or Knock Away 3D?

Whack Stack! is rated higher. Whack Stack! averages 4.8 out of 5 from 860 ratings, while Knock Away 3D averages 4.7 from 1.1K ratings.

### Do Whack Stack! or Knock Away 3D have ads?

Both Whack Stack! and Knock Away 3D show ads.

### Which is updated more often, Whack Stack! or Knock Away 3D?

Whack Stack! ships an update every 3 weeks, and Knock Away 3D every 2 weeks. Most recently, Whack Stack! was updated on October 20, 2026 and Knock Away 3D on October 21, 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.*