# VLS AR vs 3DCzech

The clearest difference is in-app purchases: VLS AR at none against 3DCzech's 2. VLS AR also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 3DCzech sells 2 one-off in-app purchases. VLS AR asks for nothing beyond the download.

VLS AR ships an update every 6 days, 3DCzech every 3 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | VLS AR | 3DCzech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 183 MB | 23 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tasty Air s.r.o.](https://appshunter.io/developer/1448125960) | [Krosapp](https://appshunter.io/developer/1325787780) |

## What reviewers say

### VLS AR

[App page](https://appshunter.io/ios/app/vls-ar/id6448959864)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3DCzech

[App page](https://appshunter.io/ios/app/3dczech/id6742912569)

Explore historical sites with detailed 3D models and offline access. View models from all angles, read about individual parts, and see how locations appeared in the past, even tracking your current position on historical reconstructions.

**Highlights:** Offline 3D model viewing, Interactive historical reconstructions, Detailed information on site parts, Current position tracking on historical models, View object appearance over time

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Castle Nový Hrádek | $1.99 | one-time |
| Castle Zbořený kostelec | $2.99 | one-time |


## Frequently asked questions

### Is VLS AR free?

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

### Is 3DCzech free?

3DCzech is free to download, with in-app purchases available.

### Do VLS AR or 3DCzech have ads?

Neither VLS AR nor 3DCzech shows ads.

### Which is updated more often, VLS AR or 3DCzech?

VLS AR ships an update every 6 days, and 3DCzech every 3 weeks. Most recently, VLS AR was updated on October 5, 2026 and 3DCzech on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*