About this app
This app makes math unforgettable. Never too easy, never too hard. Our award-winning technology adapts each lesson to fit and raise your child's capabilities. Designed by cognitive scientists, co-created with teachers, Math Masters Jr. is based on cutting-edge research in memory and learning. Math Masters Jr. helps children achieve rapid recall of essential math facts, using a knowledge-tracing algorithm that makes practice both effective and engaging. Tested with over 500 children in real classrooms, it’s a scientifically proven way to strengthen foundational math skills for Grades 2, 3 & 4. — WHAT WE TEACH — Grade 2: Addition, subtraction, multiplication preparation, and place value. Grade 3: Times tables, division, large numbers, and fractions. Grade 4: Advanced arithmetic, working with large numbers, and more fractions. — HOW WE TEACH — Personalized: Adaptive lessons that adjust to your child’s progress and pace. Tested & Trusted: Tested in over 11 classrooms with 500+ children. Science-based: Memory technology designed by neuroscientists for real retention. Carefully Gamified: A balance of learning and play that keeps kids engaged. Encouraging: Motivating and child-friendly feedback provided by Mr. Mouse — ACHIEVEMENTS — Winner of the Academic Startup Competition 2023 (Safe and Inclusive Society) Rated 4.35 / 5 by over 500 children for usability & learning efficacy, in a scientific study — PRIVACY — MemoryLab takes children’s privacy seriously and ensures that this app is compliant with data privacy laws: the GDPR. If you would like to learn more on what information we collect and how we use it, please read our privacy policy: https://memorylab.nl/privacy-policy-tafeltrainer The first lesson of each subject is free, but additional paid content is available. All material can be unlocked in one monthly / yearly subscription or lifetime purchase. The standard Apple Terms of Use apply to this app: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ STUDY SMARTER & LEARN FASTER - START LEARNING WITH MEMORYLAB!
Latest release
What’s New
Accessibility Adjustments — Larger buttons for little fingers — Larger text for easier reading Simpler Subscriptions — Unlock all lessons across all grades at once — Easier for families with multiple learners — Curious kids can explore and try new challenges
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 15, 2026 · 12:17 AM Free