# Stable Block vs Block Stack

The clearest difference is device support: Stable Block at 3 against Block Stack's 1. Stable Block also leads on iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases 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 | Stable Block | Block Stack |
| --- | --- | --- |
| 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 | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Free |
| Size | 172 MB | 1 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GOMBLE GAMES PTE. LTD.](https://appshunter.io/developer/1712246446) | [CyberGame Limited](https://appshunter.io/developer/1778824442) |

## What reviewers say

### Stable Block

[App page](https://appshunter.io/ios/app/stable-block/id6476475652)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Stable Block free?

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

### Is Block Stack free?

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

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

Neither Stable Block nor Block Stack shows ads.

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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.*