# Open Dag App vs Aloysius OuderApp

The clearest difference is iOS requirement: Open Dag App at 8.0 against Aloysius OuderApp's 16.0. 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.

Open Dag App ships an update every 6 weeks, Aloysius OuderApp every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Open Dag App | Aloysius OuderApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/open-dag-app/id1485210930/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 127 MB | 115 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ParentCom B.V.](https://appshunter.io/developer/890851768) | [Aloysius Stichting Onderwijs Jeugdzorg](https://appshunter.io/developer/1555049700) |

## 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


### Aloysius OuderApp

[App page](https://appshunter.io/ios/app/aloysius-ouderapp/id1555049698)

This app provides a secure platform for parents and guardians to stay informed about their child's school activities. It automatically delivers relevant information directly to your device, keeping you updated on school developments.

**Highlights:** Secure parent collaboration environment, Stay updated on child's school developments, Automatic information delivery, Select your child's primary school, Access relevant parental information

**Features:** macOS Compatibility

**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 Aloysius OuderApp free?

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

### Do Open Dag App or Aloysius OuderApp have ads?

Neither Open Dag App nor Aloysius OuderApp shows ads.

### Which is updated more often, Open Dag App or Aloysius OuderApp?

Open Dag App ships an update every 6 weeks, and Aloysius OuderApp every 2 months. Most recently, Open Dag App was updated on November 3, 2026 and Aloysius OuderApp 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.*