# Block Puzzle in Space vs ZapStack

The clearest difference is in-app purchases: ZapStack at none against Block Puzzle in Space's 3. ZapStack also leads on ads (none vs shown) and update cadence (every 4 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Block Puzzle in Space sells 3 one-off in-app purchases. ZapStack asks for nothing beyond the download.

Block Puzzle in Space ships an update every 9 days, ZapStack every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Block Puzzle in Space | ZapStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zapstack/id6759278053/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Free |
| Size | 200 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海宁 徐](https://appshunter.io/developer/782982060) | [Indus Siam LLC](https://appshunter.io/developer/1875605848) |

## What reviewers say

### Block Puzzle in Space

[App page](https://appshunter.io/ios/app/block-puzzle-in-space/id6478807534)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Times of Rotation | $0.99 | one-time |
| 25 Times of Rotation | $1.99 | one-time |
| 50 Times of Rotation | $2.99 | one-time |


### ZapStack

[App page](https://appshunter.io/ios/app/zapstack/id6759278053)

A one-tap precision platformer where timing is crucial to build the tallest tower. Land perfectly to keep platforms open, or drift and face shrinking gaps. Compete with friends and unlock new themes.

**Highlights:** One-tap precision jumping, Swinging platform mechanics, Perfect landing bonuses, Unlockable themes, Game Center leaderboards, Share high scores

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Puzzle in Space free?

Block Puzzle in Space is free to download, with in-app purchases available.

### Is ZapStack free?

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

### Do Block Puzzle in Space or ZapStack have ads?

Block Puzzle in Space shows ads; ZapStack does not.

### Which is updated more often, Block Puzzle in Space or ZapStack?

Block Puzzle in Space ships an update every 9 days, and ZapStack every 4 days. Most recently, Block Puzzle in Space was updated on November 4, 2026 and ZapStack on October 31, 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.*