Halcyon School vs Sumaze! Primary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Halcyon School
This app provides comprehensive information about a London-based International Baccalaureate school. It offers a personalized experience for community members and visitors, focusing on student wellbeing and technology integration in learning.
- School information access
- Personalized login experience
- IB curriculum details
- Student wellbeing focus
- Technology integration in learning
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The Official App of Halcyon London International School. Learn more about the school and access all the school information you need as a community member or a visitor. Our new login function ensures a personal experience with Halcyon. We are constantly in development, so keep an eye out for updates. ABOUT HALCYON Situated in Marylebone, London, Halcyon is central London's only not-for-profit International Baccalaureate (IB) school, leading the way forward in education. We inspire students to embrace an unparalleled capability and lifelong passion for learning. Our IB curriculum opens the door to self-directed learning for students aged 11-18. Students work with teachers and their peers to reach intellectually challenging goals they have helped set themselves. They select study techniques they know work best for them. Halcyon delivers a unique, research-driven approach to wellbeing. Students collaborate on how the school is run and feel valued, confident and secure. We embed cutting-edge technology into learning. Our students are supremely well-prepared for the digital revolution of today and tomorrow.
Sumaze! Primary
This educational puzzle game is designed for young learners aged 4-7 to develop problem-solving and mathematical thinking skills. It covers fundamental concepts like addition, subtraction, and pattern recognition through engaging gameplay.
- Develops problem-solving skills
- Teaches addition and subtraction
- Explores odds & evens
- Introduces doubling & halving
- Focuses on finding patterns
- Immersive gameplay
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New in the award-winning Sumaze! series is Sumaze! Primary, a fun educational puzzle game aimed at little mathematicians aged between 4 and 7-years-old. Let your young learners explore and develop independently with our immersive new maths game. There's no assumed knowledge beyond being able to count to 20, but Sumaze! Primary develops important problem-solving skills and mathematical thinking from a young age. Sumaze! Primary levels explore: - Adding - Taking away - Odds & evens - Doubling & halving - Finding patterns - and more! This is the latest app from MEI, and follows on from the award-winning Sumaze! and Sumaze! 2 (aimed at older learners).
Screenshots
Verdict
The clearest difference is review sentiment: Sumaze! Primary at 100% against Halcyon School's 40%. Sumaze! Primary also leads on rating (5.0 vs 3.3) and iOS requirement (9.0 vs 11.0). Halcyon School's advantage is update cadence (every 5 weeks vs every 4 months) and ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model 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.
Sumaze! Primary holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Halcyon School has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of Halcyon School's written reviews are positive against 100% of Sumaze! Primary's.
Halcyon School ships an update every 5 weeks, Sumaze! Primary every 4 months. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.
| Parameter | Halcyon School | Sumaze! Primary |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 5 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 165 MB |
| Age rating | 4+ | 4+ |
| Developer | Halcyon London International School | Mathematics in Education and Industry |
Customer experience
Halcyon School
Sumaze! Primary
In-app purchases
Halcyon School
No in-app purchases
Sumaze! Primary
No in-app purchases
Questions
Is Halcyon School free?
Is Sumaze! Primary free?
Which has better reviews, Halcyon School or Sumaze! Primary?
Do Halcyon School or Sumaze! Primary have ads?
Which is updated more often, Halcyon School or Sumaze! Primary?
Other comparisons
