Rangen vs OSIRIS ROC Mondriaan
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Rangen
Test your knowledge about military headwear, shoulder insignia, and chest decorations. Discover the meanings behind these symbols and expand your understanding of military attire. This educational app makes learning about uniforms engaging and informative.
- Learn about military headwear
- Understand shoulder insignia
- Discover chest decoration meanings
- Test your knowledge
- Engaging educational content
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Wat hebben die militairen toch op hun hoofd, schouders en borst? En wat betekent dat? Download de app en test je kennis.
OSIRIS ROC Mondriaan
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The OSIRIS app for students at ROC Mondriaan provides a convenient way to stay up to date on important information and features. Let's take a look at the various features this app offers: Grades: The app allows you to view your grades at any time. No more hassle of logging into a website; you have instant access to your grades. Calendar: The current schedule is available in the app. So you always know where you need to be and when you have lessons or other activities. Messages and notes: Receive important messages and notes directly on your mobile. This makes communication with ROC Mondriaan easier and more efficient. News: Stay up to date with the latest news from ROC Mondriaan. Whether it's announcements, events or other updates, you won't miss a thing. Cases: If you have started a case (for example, a complaint or request), you can track its progress in the Cases menu. Progress: Keep track of your study progress with this feature. This way you can see how you are doing and make adjustments if necessary. Absence: Are you absent from a lesson? Report the reason for your absence via the Absence menu. This keeps everything neatly registered. My details: Verify that your personal and contact information is correctly registered with ROC Mondriaan. This is important for smooth communication. In short, with the OSIRIS app you are well informed and can arrange everything easily. Good luck with your studies!
Screenshots
Verdict
The clearest difference is in-app purchases: OSIRIS ROC Mondriaan at none against Rangen's 1. OSIRIS ROC Mondriaan also leads on iOS requirement (11.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Rangen sells 1 one-off in-app purchase. OSIRIS ROC Mondriaan asks for nothing beyond the download.
Rangen ships an update every 6 weeks, OSIRIS ROC Mondriaan every 3 weeks. The most recent releases landed on November 1, 2026 and October 14, 2026 respectively.
| Parameter | Rangen | OSIRIS ROC Mondriaan |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | โ |
| Update frequency | Every 6 weeks | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Monetization | Free with in-app purchases | โ |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.4 | 11.0 โ better |
| Further details โ not scored | ||
| Size | 122 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Jelle van Haaster | CACI bv |
In-app purchases
Rangen
- Volledige versie$0.99
OSIRIS ROC Mondriaan
No in-app purchases









