Aventus | Osiris vs Cijfer Royale
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aventus | Osiris
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Your grades, an updated timetable and the most important messages of Aventus. Don't miss out! Have a question? Check our FAQ (https://portaal.aventus.nl/knowledgebase-studenten/onderwerpen/osiris/null/qa-osiris?question=waar-kan-ik-terecht-met-vragen-over-osiris).
Cijfer Royale
This app helps students track their grades with visual charts and calculations. It provides an overview of academic performance and progress for each subject. Designed by and for students, it simplifies grade management for school.
- Grade overview
- Progress charts
- Average calculations
- Performance tracking
- Future grade predictions
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Cijfer Royale is jouw persoonlijke cijferhulp. Met Cijfer Royale krijg je een overzicht van je cijfers en door middel van grafieken, gemiddeldes en berekeningen zie je direct hoe je ervoor staat. Dé cijferhulp voor school, gemaakt door en voor leerlingen. Met Cijfer Royale krijg je toegang tot: - Handige grafieken - Al je gemiddeldes in 1 overzicht - Een overzicht van je vooruitgang per cijfer - Berekeningen over wat je moet halen voor je volgende toets
Screenshots
Verdict
The clearest difference is ads: Aventus | Osiris at none against Cijfer Royale's shown. Aventus | Osiris also leads on iOS requirement (11.0 vs 15.0). Cijfer Royale's advantage is update cadence (every 6 weeks vs every 4 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Aventus | Osiris ships an update every 4 months, Cijfer Royale every 6 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Aventus | Osiris | Cijfer Royale |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | CACI bv | Quinten Janson |
In-app purchases
Aventus | Osiris
No in-app purchases
Cijfer Royale
No in-app purchases
Questions
Is Aventus | Osiris free?
Is Cijfer Royale free?
Do Aventus | Osiris or Cijfer Royale have ads?
Which is updated more often, Aventus | Osiris or Cijfer Royale?
Other comparisons
