# Block Invaders vs Asteroid 3D

The clearest difference is in-app purchases: Asteroid 3D at none against Block Invaders's 2. Asteroid 3D also leads on update cadence (daily vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Block Invaders sells 2 one-off in-app purchases. Asteroid 3D asks for nothing beyond the download.

Block Invaders ships an update every 12 months, Asteroid 3D daily. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Block Invaders | Asteroid 3D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 154 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [QED Gaming PTY. Ltd](https://appshunter.io/developer/441029909) | [Paul Guyot](https://appshunter.io/developer/322920835) |

## 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 |


### Asteroid 3D

[App page](https://appshunter.io/ios/app/asteroid-3d/id6760995691)

**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 Asteroid 3D free?

Asteroid 3D is free to download, with no in-app purchases.

### Do Block Invaders or Asteroid 3D have ads?

Neither Block Invaders nor Asteroid 3D shows ads.

### Which is updated more often, Block Invaders or Asteroid 3D?

Block Invaders ships an update every 12 months, and Asteroid 3D daily. Most recently, Block Invaders was updated on October 14, 2026 and Asteroid 3D on October 2, 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.*