# Open Dag App vs Valkenburg Castle

The clearest difference is rating: Open Dag App at 5.0 against Valkenburg Castle's 2.0. Open Dag App also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (8.0 vs 15.0). On price, ratings volume, 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.

Open Dag App holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Open Dag App ships an update every 6 weeks, Valkenburg Castle every 3 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Open Dag App | Valkenburg Castle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/open-dag-app/id1485210930/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/valkenburg-castle/id1496779477/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 127 MB | 188 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ParentCom B.V.](https://appshunter.io/developer/890851768) | [Dutch Rose Media](https://appshunter.io/developer/525452118) |

## What reviewers say

### Open Dag App

[App page](https://appshunter.io/ios/app/open-dag-app/id1485210930)

Discover your future school with this app, providing all necessary information before, during, and after open days. Stay informed about school values, staff, guidance, and enrollment for trial lessons. Receive push notifications for event recaps and enrollment updates.

**Highlights:** School information access, Open day preparation, Post-open day communication, Push notifications, Enrollment updates, School-specific branding

**Features:** macOS Compatibility

**In-app purchases:** none


### Valkenburg Castle

[App page](https://appshunter.io/ios/app/valkenburg-castle/id1496779477)

Explore castle ruins with augmented reality, bringing history to life. Engage in interactive experiences like preparing for a medieval wedding or learning about the castle's construction.

**Highlights:** Augmented Reality (AR) routes, Medieval wedding preparation simulation, Historical castle architecture exploration, Interactive character encounters, Virtual drawbridge and candle lighting, Choose between experience or architecture routes

**In-app purchases:** none


## Frequently asked questions

### Is Open Dag App free?

Open Dag App is free to download, with no in-app purchases.

### Is Valkenburg Castle free?

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

### Which has better reviews, Open Dag App or Valkenburg Castle?

Open Dag App is rated higher. Open Dag App averages 5.0 out of 5 from 1 ratings, while Valkenburg Castle averages 2.0 from 1 ratings.

### Do Open Dag App or Valkenburg Castle have ads?

Neither Open Dag App nor Valkenburg Castle shows ads.

### Which is updated more often, Open Dag App or Valkenburg Castle?

Open Dag App ships an update every 6 weeks, and Valkenburg Castle every 3 months. Most recently, Open Dag App was updated on October 5, 2026 and Valkenburg Castle on October 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.*