# Block Stack vs Stack Em

The clearest difference is ads: Block Stack at none against Stack Em's shown. Block Stack also leads on iOS requirement (16.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Block Stack | Stack Em |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/block-stack-tower-physics/id6759821751/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 1 MB | 44 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CyberGame Limited](https://appshunter.io/developer/1778824442) | [Chris Houston](https://appshunter.io/developer/1340538391) |

## What reviewers say

### Block Stack

[App page](https://appshunter.io/ios/app/block-stack-tower-physics/id6759821751)

A physics-based stacking game where you build towers as high as possible without letting them fall. Experience realistic gravity and tension as an adaptive algorithm challenges your skill level with increasingly complex block shapes.

**Highlights:** Realistic physics simulation, Adaptive difficulty algorithm, Variety of block shapes, One-handed portrait play, Haptic feedback, Auto-save functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Em

[App page](https://appshunter.io/ios/app/stack-em-tower/id6761726968)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Stack free?

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

### Is Stack Em free?

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

### Do Block Stack or Stack Em have ads?

Stack Em shows ads; Block Stack does not.

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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.*