# Stack 101 Tower vs Void Stacker

The clearest difference is iOS requirement: Stack 101 Tower at 12.0 against Void Stacker's 18.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Stack 101 Tower | Void Stacker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Size | 54 MB | 8 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) | [Yuma Ueno](https://appshunter.io/developer/1842015188) |

## What reviewers say

### Stack 101 Tower

[App page](https://appshunter.io/ios/app/stack-101-tower/id6759484448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Void Stacker

[App page](https://appshunter.io/ios/app/void-stacker-block-tower-game/id6781205211)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack 101 Tower free?

Stack 101 Tower is free to download, with no in-app purchases.

### Is Void Stacker free?

Void Stacker is free to download, with no in-app purchases.

### Do Stack 101 Tower or Void Stacker have ads?

Both Stack 101 Tower and Void Stacker show ads.

### Which is updated more often, Stack 101 Tower or Void Stacker?

Stack 101 Tower ships an update every 5 days, and Void Stacker every 5 days. Most recently, Stack 101 Tower was updated on October 2, 2026 and Void Stacker on October 7, 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.*