# Blast Block 3D vs Space Station

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

Both are free to download. Blast Block 3D sells 3 one-off in-app purchases and Space Station sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blast Block 3D ships an update weekly, Space Station every 3 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Blast Block 3D | Space Station |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/space-station-defender/id6760089218/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 41 MB | 111 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [汪 陶](https://appshunter.io/developer/1702681653) | [Brian Solomon](https://appshunter.io/developer/1847626540) |

## What reviewers say

### Blast Block 3D

[App page](https://appshunter.io/ios/app/blast-block-3d/id6502545155)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Promotional Gift Pack: $1.99 | $1.99 | one-time |
| NoAds | $3.99 | one-time |
| Super Mega Pack: $9.99 USD. | $9.99 | one-time |


### Space Station

[App page](https://appshunter.io/ios/app/space-station-defender/id6760089218)

Command an orbital fortress in this sci-fi tower defense game. Build and upgrade turrets, expand your station, and deploy powerful abilities to survive 100 challenging levels against alien invaders. Compete on global leaderboards and unlock achievements.

**Highlights:** 360° strategic defense, Station building and expansion, Multiple turret types with upgrades, Powerful special abilities, 100 escalating levels, Prestige system for replayability, Global leaderboards and achievements

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2,500 Star Credits | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Commander Pass | $2.99 | one-time |
| Double Reward Credits (x2) | $4.99 | one-time |
| 10,000 Star Credits | $4.99 | one-time |
| 30,000 Star Credits | $9.99 | one-time |
| 75,000 Star Credits | $19.99 | one-time |
| 200,000 Star Credits | $29.99 | one-time |
| 500,000 Star Credits | $49.99 | one-time |
| 1,250,000 Star Credits | $99.99 | one-time |


## Frequently asked questions

### Is Blast Block 3D free?

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

### Is Space Station free?

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

### Do Blast Block 3D or Space Station have ads?

Space Station shows ads; Blast Block 3D does not.

### Which is updated more often, Blast Block 3D or Space Station?

Blast Block 3D ships an update weekly, and Space Station every 3 months. Most recently, Blast Block 3D was updated on November 4, 2026 and Space Station on November 5, 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.*