# Hrady3D vs BUS Trenčín

The clearest difference is iOS requirement: BUS Trenčín at 10.0 against Hrady3D's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Hrady3D ships an update every 3 months, BUS Trenčín every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Hrady3D | BUS Trenčín |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 72 MB | 132 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yahart, s.r.o.](https://appshunter.io/developer/1202791330) | [Telmax s.r.o.](https://appshunter.io/developer/1598792163) |

## What reviewers say

### Hrady3D

[App page](https://appshunter.io/ios/app/hrady3d/id1561177613)

Explore historical castles in the Trenčín region through an engaging mobile experience. Utilize augmented reality to discover lost architectural forms and immerse yourself in captivating audio stories and interactive narratives of knights and countesses.

**Highlights:** Augmented reality castle exploration, Historical audio stories, Interactive narratives, Discover lost castle architecture, Explore Trenčín region castles

**Features:** macOS Compatibility

**In-app purchases:** none


### BUS Trenčín

[App page](https://appshunter.io/ios/app/bus-trencin/id1641107642)

**In-app purchases:** none


## Frequently asked questions

### Is Hrady3D free?

Hrady3D is free to download, with no in-app purchases.

### Is BUS Trenčín free?

BUS Trenčín is free to download, with no in-app purchases.

### Do Hrady3D or BUS Trenčín have ads?

Neither Hrady3D nor BUS Trenčín shows ads.

### Which is updated more often, Hrady3D or BUS Trenčín?

Hrady3D ships an update every 3 months, and BUS Trenčín every 5 months. Most recently, Hrady3D was updated on November 3, 2026 and BUS Trenčín on November 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.*