Comparison

Rangen vs OSIRIS ROC Mondriaan

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

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.

Highlights
  • Learn about military headwear
  • Understand shoulder insignia
  • Discover chest decoration meanings
  • Test your knowledge
  • Engaging educational content
Features
Read full description

Wat hebben die militairen toch op hun hoofd, schouders en borst? En wat betekent dat? Download de app en test je kennis.

About

OSIRIS ROC Mondriaan

Features
Read full description

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

Rangen4 screens
OSIRIS ROC Mondriaan4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Rangen sells 1 one-off in-app purchase. OSIRIS ROC Mondriaan asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 6 level
Rangen versus OSIRIS ROC Mondriaan: the parameters behind the verdict, then further details
ParameterRangenOSIRIS ROC Mondriaan
PriceFreeFree
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 6 weeksEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.411.0 โ€” better
Further details โ€” not scored
Size122 MB30 MB
Age rating4+4+
DeveloperJelle van HaasterCACI bv

In-app purchases

1 purchases

Rangen

One-time1
  • Volledige versie$0.99
None

OSIRIS ROC Mondriaan

No in-app purchases

Questions

Is Rangen free?
Rangen is free to download, with in-app purchases available.
Is OSIRIS ROC Mondriaan free?
OSIRIS ROC Mondriaan is free to download, with no in-app purchases.
Do Rangen or OSIRIS ROC Mondriaan have ads?
Neither Rangen nor OSIRIS ROC Mondriaan shows ads.
Which is updated more often, Rangen or OSIRIS ROC Mondriaan?
Rangen ships an update every 6 weeks, and OSIRIS ROC Mondriaan every 3 weeks. Most recently, Rangen was updated on November 1, 2026 and OSIRIS ROC Mondriaan on October 14, 2026.

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