# H Centrum vs Virtuální Výzvy

The clearest difference is ads: H Centrum at none against Virtuální Výzvy's shown. Virtuální Výzvy's advantage is iOS requirement (11.0 vs 15.0). 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.

H Centrum ships an update every 4 months, Virtuální Výzvy every 8 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | H Centrum | Virtuální Výzvy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 21 MB | 27 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [INSPIRE CZ](https://appshunter.io/developer/582633229) | [Virtual Challenges, s.r.o.](https://appshunter.io/developer/1627811120) |

## What reviewers say

### H Centrum

[App page](https://appshunter.io/ios/app/h-centrum/id1515422965)

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

**In-app purchases:** none


### Virtuální Výzvy

[App page](https://appshunter.io/ios/app/virtualni-vyzvy/id1627811118)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is H Centrum free?

H Centrum is free to download, with no in-app purchases.

### Is Virtuální Výzvy free?

Virtuální Výzvy is free to download, with no in-app purchases.

### Do H Centrum or Virtuální Výzvy have ads?

Virtuální Výzvy shows ads; H Centrum does not.

### Which is updated more often, H Centrum or Virtuální Výzvy?

H Centrum ships an update every 4 months, and Virtuální Výzvy every 8 months. Most recently, H Centrum was updated on November 7, 2026 and Virtuální Výzvy on November 7, 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.*