# Block Stack 3D vs Save the Spaceman

The clearest difference is in-app purchases: Save the Spaceman at none against Block Stack 3D's 1. Block Stack 3D's advantage is ads (none vs shown) and ratings volume (13 vs 4). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Block Stack 3D sells 1 one-off in-app purchase. Save the Spaceman asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Block Stack 3D against 5.0 for Save the Spaceman. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Block Stack 3D ships an update every 6 months, Save the Spaceman every 7 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Block Stack 3D | Save the Spaceman |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (13 ratings)](https://appshunter.io/ios/app/block-stack-3d-pop-and-smash/id1161756162/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/save-the-spaceman/id1475397509/reviews)** |
| Number of ratings | **13** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 54 MB | 44 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [光耀 宁](https://appshunter.io/developer/688803565) | [Whirl Click Inc.](https://appshunter.io/developer/1475397508) |

## What reviewers say

### Block Stack 3D

[App page](https://appshunter.io/ios/app/block-stack-3d-pop-and-smash/id1161756162)

A 3D physics-based game where players tap blocks to score points while preventing a ball from falling off the platform. Rotate the camera to strategize your moves and aim for the highest score in this addictive challenge.

**Highlights:** 3D physics-based gameplay, Tap to crush blocks, Prevent ball from falling, Camera rotation for strategy, High score chasing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Save the Spaceman

[App page](https://appshunter.io/ios/app/save-the-spaceman/id1475397509)

Protect an astronaut from falling debris by strategically hitting objects away. The longer you keep the astronaut safe, the higher your score. Customize your astronaut's appearance for a personal touch.

**Highlights:** Hit falling objects, Save astronaut, Score multiplier, Astronaut customization, Asteroid and rock debris

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Block Stack 3D free?

Block Stack 3D is free to download, with in-app purchases available.

### Is Save the Spaceman free?

Save the Spaceman is free to download, with no in-app purchases.

### Which has better reviews, Block Stack 3D or Save the Spaceman?

Save the Spaceman is rated higher. Block Stack 3D averages 4.9 out of 5 from 13 ratings, while Save the Spaceman averages 5.0 from 4 ratings.

### Do Block Stack 3D or Save the Spaceman have ads?

Save the Spaceman shows ads; Block Stack 3D does not.

### Which is updated more often, Block Stack 3D or Save the Spaceman?

Block Stack 3D ships an update every 6 months, and Save the Spaceman every 7 months. Most recently, Block Stack 3D was updated on October 3, 2026 and Save the Spaceman on October 3, 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.*