# Space Block Puzzle ! vs Stack 101 Tower

The clearest difference is update cadence: Stack 101 Tower at every 5 days against Space Block Puzzle !'s monthly. Stack 101 Tower also leads on iOS requirement (12.0 vs 15.0). On price, ads, 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.

Space Block Puzzle ! ships an update monthly, Stack 101 Tower every 5 days. The most recent releases landed on August 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Space Block Puzzle ! | Stack 101 Tower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Size | 92 MB | 54 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Florentine Mehmeti](https://appshunter.io/developer/1871901490) | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) |

## What reviewers say

### Space Block Puzzle !

[App page](https://appshunter.io/ios/app/space-block-puzzle/id6758272440)

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

**In-app purchases:** none


### Stack 101 Tower

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Block Puzzle ! free?

Space Block Puzzle ! is free to download, with no in-app purchases.

### Is Stack 101 Tower free?

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

### Do Space Block Puzzle ! or Stack 101 Tower have ads?

Both Space Block Puzzle ! and Stack 101 Tower show ads.

### Which is updated more often, Space Block Puzzle ! or Stack 101 Tower?

Space Block Puzzle ! ships an update monthly, and Stack 101 Tower every 5 days. Most recently, Space Block Puzzle ! was updated on August 22, 2026 and Stack 101 Tower on September 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.*