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Kids
Math turns into a space adventure.
- Weekly topic exercises and planet missions
- AI-powered personal learning path
- Instant feedback, no fear of mistakes
🦪 Every child holds a pearl inside
Rise to math success
Rise to math success
like a journey to space
Oyster is a gamified math app for grades 5–8. With the flipped learning method, kids study each week's topic before class, AI catches their gaps, and they walk in prepared and confident.
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Happy students
0 Grades
Grades 5, 6, 7 and 8
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Gamified activities
5★
App Store rating
Explore Oyster
A galaxy full of math.
Travel between worlds, interact with questions, and turn learning into discovery. Step inside Oyster with real screens from the app.
1 / 4 · Explore Europa
24 seconds inside Oyster
See questions come to life.
Go from the galaxy path to a lesson. Drag endpoints, measure with a ruler, and match geometric notation. Take a quick tour inside the app.
What happens in the video?
0–6 sec: the galaxy learning path on Mars. 6–12 sec: dragging the endpoints of a line segment. 12–18 sec: measuring a line segment with a ruler. 18–24 sec: matching geometric drawings to their notation.
For everyone
One app for kids, parents and teachers
Oyster connects every part of the learning journey.
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Parents
See progress topic by topic, on one screen.
- A weekly parent report every Sunday
- Topic-by-topic progress screen and daily time limit
- Safe, ad-free environment
- Privacy-first data protection
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Teachers
Curriculum-aligned, ready for the classroom.
- Curriculum-aligned weekly content
- Free Premium for pilot teachers
- Class dashboard co-built with pilot teachers
Our unique method
What is the flipped learning method?
Kids don't hear the topic for the first time in class. They study the week's topic before school on Oyster, through gamified, AI-powered exercises. AI catches their weak spots and focuses there to accelerate growth.
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1 · Study ahead
The child explores the week's topic before class through gamified exercises.
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2 · AI catches gaps
AI detects each child's weak spots and focuses on exactly those outcomes.
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3 · Walk in ready
Prepared kids understand the lesson better, participate, and retain more.
Pick your grade
Every grade is a stop on the journey
All math outcomes from grade 5 through grade 8.
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Are you a math teacher?
Join the Pilot Teacher Program: free Premium for you and a class code for your students. We are building the class dashboard with our first teachers.
Join the pilot📱
Now on Android
Oyster is now available on Google Play. Download free on your Android phone or tablet and explore your first planet.
Get it on Google PlayYour child's math journey starts today
Download Oyster for free and discover the first planet together.