# GenZD Zero vs Bashtova Castle

The clearest difference is in-app purchases: Bashtova Castle at none against GenZD Zero's 1. Bashtova Castle also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GenZD Zero sells 1 one-off in-app purchase. Bashtova Castle asks for nothing beyond the download.

GenZD Zero ships an update every 2 weeks, Bashtova Castle every 5 weeks. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | GenZD Zero | Bashtova Castle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (42 ratings)](https://appshunter.io/ios/app/genzd-zero/id6705128370/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 67.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 133 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Infinite Evolution Technologies](https://appshunter.io/developer/382641860) | [Delta X d.o.o.](https://appshunter.io/developer/905275058) |

## What reviewers say

### GenZD Zero

[App page](https://appshunter.io/ios/app/genzd-zero/id6705128370)

Run classic idTech 1 games and community mods on your iOS device with modern rendering capabilities. Enjoy enhanced graphics, custom controls, and controller support. You must provide your own game files.

**Highlights:** idTech 1 game engine support, Modern 3D rendering, Widescreen graphics, Dynamic lighting, Customizable touch controls, Game controller support, Local multiplayer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Upgrade | $2.99 | one-time |


### Bashtova Castle

[App page](https://appshunter.io/ios/app/bashtova-castle/id6740768033)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GenZD Zero free?

GenZD Zero is free to download, with in-app purchases available.

### Is Bashtova Castle free?

Bashtova Castle is free to download, with no in-app purchases.

### Do GenZD Zero or Bashtova Castle have ads?

Neither GenZD Zero nor Bashtova Castle shows ads.

### Which is updated more often, GenZD Zero or Bashtova Castle?

GenZD Zero ships an update every 2 weeks, and Bashtova Castle every 5 weeks. Most recently, GenZD Zero was updated on October 14, 2026 and Bashtova Castle on October 3, 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.*