Comparison

Math Maestro 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

Math Maestro

Features
Read full description

Math Champion is an engaging educational app designed to make learning mathematics fun and interactive. With multiple game modes including Normal and Speed Run, students can practice addition, subtraction, multiplication, and division at their own pace. The app features customizable difficulty levels, multiple-choice or number pad input methods, and supports five languages. Track your progress with high scores and unlock achievements as you improve your math skills. Whether you're practicing for school or wanting to sharpen your mental arithmetic, Math Champion offers an enjoyable way to become a true mathematics master.

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

Math Maestro3 screens
OSIRIS ROC Mondriaan4 screens

Verdict

The call

The clearest difference is update cadence: OSIRIS ROC Mondriaan at every 3 weeks against Math Maestro's every 17 months. OSIRIS ROC Mondriaan also leads on iOS requirement (11.0 vs 18.1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Math Maestro ships an update every 17 months, OSIRIS ROC Mondriaan every 3 weeks. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

Scorecard2 real differences ยท 4 level
Math Maestro versus OSIRIS ROC Mondriaan: the parameters behind the verdict, then further details
ParameterMath MaestroOSIRIS ROC Mondriaan
PriceFreeFree
Update frequencyEvery 17 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS18.111.0 โ€” better
Further details โ€” not scored
Size71 MB30 MB
Age rating4+4+
DeveloperInnoshift B.V.CACI bv

In-app purchases

None

Math Maestro

No in-app purchases

None

OSIRIS ROC Mondriaan

No in-app purchases

Questions

Is Math Maestro free?
Math Maestro is free to download, with no in-app purchases.
Is OSIRIS ROC Mondriaan free?
OSIRIS ROC Mondriaan is free to download, with no in-app purchases.
Do Math Maestro or OSIRIS ROC Mondriaan have ads?
Neither Math Maestro nor OSIRIS ROC Mondriaan shows ads.
Which is updated more often, Math Maestro or OSIRIS ROC Mondriaan?
Math Maestro ships an update every 17 months, and OSIRIS ROC Mondriaan every 3 weeks. Most recently, Math Maestro was updated on October 25, 2026 and OSIRIS ROC Mondriaan on October 14, 2026.

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