# Void Blaster vs Bastion Keep

The clearest difference is ads: Bastion Keep at none against Void Blaster's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Void Blaster ships an update every 3 days, Bastion Keep every 4 days. The most recent releases landed on October 28, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Void Blaster | Bastion Keep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bastion-keep-tower-defense/id6809839112/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free |
| Size | 48 MB | 164 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Abdessalaam Anouar](https://appshunter.io/developer/1896685067) | [Ayoub Benderdouch](https://appshunter.io/developer/1680895959) |

## What reviewers say

### Void Blaster

[App page](https://appshunter.io/ios/app/void-blaster/id6769759993)

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

**In-app purchases:** none


### Bastion Keep

[App page](https://appshunter.io/ios/app/bastion-keep-tower-defense/id6809839112)

Strategically place and upgrade towers to defend your kingdom in this offline fantasy tower defense game. Explore diverse environments and face challenging enemies and bosses across numerous campaign missions.

**Highlights:** Strategic tower placement, Seven tower types with four upgrade levels, 60 campaign missions across 11 environments, Offline play, Multiple difficulty settings, Expandable castle choices

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

**In-app purchases:** none


## Frequently asked questions

### Is Void Blaster free?

Void Blaster is free to download, with no in-app purchases.

### Is Bastion Keep free?

Bastion Keep is free to download, with no in-app purchases.

### Do Void Blaster or Bastion Keep have ads?

Void Blaster shows ads; Bastion Keep does not.

### Which is updated more often, Void Blaster or Bastion Keep?

Void Blaster ships an update every 3 days, and Bastion Keep every 4 days. Most recently, Void Blaster was updated on October 28, 2026 and Bastion Keep on October 18, 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.*