# Block Bastion vs Space War Allien Wave

The clearest difference is iOS requirement: Block Bastion at 13.0 against Space War Allien Wave's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Block Bastion sells 1 one-off in-app purchase and Space War Allien Wave sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Block Bastion | Space War Allien Wave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Size | 79 MB | 17 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Amol Samant](https://appshunter.io/developer/1590850983) | [IBRAHIM HALIL CETINLER](https://appshunter.io/developer/6783974285) |

## What reviewers say

### Block Bastion

[App page](https://appshunter.io/ios/app/block-bastion/id6791678089)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Block Bastion | $0.99 | one-time |


### Space War Allien Wave

[App page](https://appshunter.io/ios/app/space-war-allien-wave/id6818675726)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Space War No Add | $2.99 | one-time |


## Frequently asked questions

### Is Block Bastion free?

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

### Is Space War Allien Wave free?

Space War Allien Wave is free to download, with in-app purchases available.

### Do Block Bastion or Space War Allien Wave have ads?

Both Block Bastion and Space War Allien Wave show ads.

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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.*