Doctrinal Mastery vs MathStack

The Doctrinal Mastery app helps members of The Church of Jesus Christ of Latter-day Saints study and learn the 100 seminary doctrinal mastery passages, the Articles of Faith, and other content imported using the sharing feature within the Gospel Library app. The learning activities include memorizing, reviewing flashcards, and taking a quiz. Memorizing scriptures can provide a powerful source of inspiration in times of need.

MathStack Kids - Where Maths Meets Mayhem! Turn maths practice into the highlight of your child's day. MathStack Kids is a Tetris-inspired puzzle game where falling blocks meet brain-bending math, designed from the ground up for kids aged 5 to 10. Stack the right answers. Bust through bosses. Climb the school leaderboard. Whether your child is just starting addition or mastering their times tables, MathStack Kids meets them at exactly the right level. WHY KIDS LOVES IT Fast, colourful Tetris-style gameplay they actually want to play Cute monster buddies to collect and unlock Power-ups that make tricky problems winnable: Freeze time, 50/50 hint, and Bomb Boss battles at the end of each world Five immersive worlds: Valley of Addition, Subtraction Peaks, Multiplication Meadow, Division Domain, and Algebra Academy School and friends leaderboards: race classmates today, this week, this month, or all-time WHY PARENTS LOVE IT Difficulty automatically tunes to your child's school year (Foundation to Year 6) COPPA-compliant: zero data collection, no accounts, no logins, no PII No third-party advertising. Ever. Works fully offline: perfect for road trips, planes, and waiting rooms Locked to portrait, large touch targets, age-appropriate UI Built-in parental gate: kids can't accidentally make purchases One-time $5.99 unlock for premium worlds. No subscriptions. No surprises. MADE FOR THE AUSTRALIAN CURRICULUM Number ranges, operations, and difficulty progression align with Foundation through Year 6 outcomes: Foundation to Year 1: Counting and basic addition Year 2 to 3: Subtraction and introduction to multiplication Year 4 to 5: Times tables fluency and introduction to division Year 6 and up: Algebra fundamentals Plus, kids can join their actual school from a database of 8,000+ Australian schools and compete on the school leaderboard. FEATURES AT A GLANCE 5 worlds, 30+ levels (more added regularly) Addition, subtraction, multiplication, division and algebra Adaptive difficulty matched to school year Power-ups: Freeze, 50/50, Bomb Boss levels with unique mechanics Friend codes and school leaderboards Time-based rankings: today, week, month, all-time Customisable buddy characters Profile editor with name, avatar, school, year level Statistics tracker: accuracy, streaks, best scores Sound effects and haptic feedback (toggleable) Full offline support FREE TO TRY Levels 1 to 3 are completely free, including the full Trainer mode. When your child is hooked, a single $5.99 in-app purchase unlocks every world, every level, the shop, and the leaderboards, forever. No subscriptions, no ads, no recurring charges. WHO MADE IT MathStack Kids is built by Gee IT Pty Ltd, an Australian software studio, with gameplay testing and design by 11-year-old Alaska, because the best children's games are designed with children, not just for them. SUPPORT Questions, feedback, or bug reports? Email us at hello@geeit.com.au and we read every message. Privacy Policy: https://geeit.com.au/mathstack/privacy