# Shape Stackers vs Knock It Down!

The clearest difference is in-app purchases: Shape Stackers at none against Knock It Down!'s 7. Shape Stackers also leads on ads (none vs shown) and rating (5.0 vs 4.7). Knock It Down!'s advantage is ratings volume (812 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

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

Shape Stackers 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 1, so its average is the more settled of the two.

Shape Stackers ships an update every 4 days, Knock It Down! weekly. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Shape Stackers | Knock It Down! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shape-stackers/id6781545333/reviews)** | [4.7 (812 ratings)](https://appshunter.io/ios/app/knock-it-down/id6785199935/reviews) |
| Number of ratings | 1 | **812** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Free** | Ad-supported |
| Size | 16 MB | 212 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Miles Crumrine](https://appshunter.io/developer/1896609940) | [Zehra Koc](https://appshunter.io/developer/1859577692) |

## What reviewers say

### Shape Stackers

[App page](https://appshunter.io/ios/app/shape-stackers/id6781545333)

A physics-based tower-building game where players stack colorful shapes to reach a goal line. Navigate challenging levels with unpredictable pieces and enjoy both single-player and two-player modes.

**Highlights:** Physics-based tower building, 100 single-player levels, Challenging block types (large, cursed, ghost), Two-player competitive mode, Simple to learn, tricky to master gameplay

**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 Shape Stackers free?

Shape Stackers 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, Shape Stackers or Knock It Down!?

Shape Stackers is rated higher. Shape Stackers averages 5.0 out of 5 from 1 ratings, while Knock It Down! averages 4.7 from 812 ratings.

### Do Shape Stackers or Knock It Down! have ads?

Knock It Down! shows ads; Shape Stackers does not.

### Which is updated more often, Shape Stackers or Knock It Down!?

Shape Stackers ships an update every 4 days, and Knock It Down! weekly. Most recently, Shape Stackers was updated on October 1, 2026 and Knock It Down! on October 14, 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.*