# Block Invaders vs Astro Blitz

The clearest difference is in-app purchases: Astro Blitz at none against Block Invaders's 2. Astro Blitz also leads on update cadence (weekly vs every 12 months). Block Invaders's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Block Invaders sells 2 one-off in-app purchases. Astro Blitz asks for nothing beyond the download.

Block Invaders ships an update every 12 months, Astro Blitz weekly. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Block Invaders | Astro Blitz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 160 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QED Gaming PTY. Ltd](https://appshunter.io/developer/441029909) | [Charles Awuku](https://appshunter.io/developer/1786590852) |

## What reviewers say

### Block Invaders

[App page](https://appshunter.io/ios/app/block-invaders-tower-defense/id980999892)

Command a planetary defense platform to shoot down waves of alien invaders. Strategically build and upgrade weapons, each with unique abilities, to counter diverse enemy behaviors and complete missions.

**Highlights:** Command orbital defense platform, Build and upgrade weapons, Shoot down incoming alien waves, Diverse invader behaviors, Multiple weapon abilities, Mission-based gameplay

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Earth Missions 6 to 10 | $0.99 | one-time |
| No Adverts | $1.99 | one-time |


### Astro Blitz

[App page](https://appshunter.io/ios/app/astro-blitz-space-shooter/id6766659270)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Invaders free?

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

### Is Astro Blitz free?

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

### Do Block Invaders or Astro Blitz have ads?

Astro Blitz shows ads; Block Invaders does not.

### Which is updated more often, Block Invaders or Astro Blitz?

Block Invaders ships an update every 12 months, and Astro Blitz weekly. Most recently, Block Invaders was updated on October 14, 2026 and Astro Blitz on October 12, 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.*