Math Surface vs MathPop

3D surfaces, 2D curves, the complex plane, probability — all in one app. Type a formula and watch it come alive. Perfect for study, exploration, or just enjoying the beauty of math. Description: MathSurface turns equations into shapes you can hold, spin, and slice. It's a math playground for iPhone and iPad — designed for students, curious minds, and anyone who learns better by seeing. ■ Features • 3D surface plots: visualize z = f(x, y) with smooth rotation and pinch-to-zoom • 2D function plots: explicit y = f(x) or implicit 0 = F(x, y) curves • Complex plane: loci such as |z − α| = r, arithmetic operations, powers, and n-th roots of unity • Probability distributions: binomial and normal, controlled by live sliders • Surface of revolution: spin any 2D curve around the x- or y-axis (rendered with SceneKit) • Cross sections: slice any 3D surface with a plane and see the resulting curve • Compare mode: overlay two functions in the same plot • Preset gallery: paraboloid, monkey saddle, Mexican hat, lemniscate, and many more • Favorites: save your own custom expressions for instant recall ■ Who it's for • High school and university students studying calculus, analysis, or probability • Teachers looking for live visual aids • Anyone curious about how a formula actually looks • People who just enjoy beautiful math A custom Liquid Glass–style formula keyboard makes entering sin, cos, √, π, and friends quick and natural. The dark neon UI keeps the math front and center.

MathPop is a bright, simple math practice game for Pre-K through 4th grade that reads every problem aloud, so even kids who can't read yet can practice on their own. Each child plays at their own grade, with games that follow Singapore math and Beast Academy, from counting to 10 all the way up to fractions, times tables and big numbers. Made by a mom for her own kids. Free, with no ads. TODAY'S PRACTICE, MADE FOR YOUR CHILD • Fix my mistakes: the very problems they got wrong, asked again until they get them right • Work on: the topic they find hardest, with a problem they missed • Something new: the next topic for their grade • Finish all three for a bonus sticker STUCK? MATHPOP SHOWS HOW • Tap Show me how and MathPop talks your child through the problem out loud, step by step, like a grown-up sitting next to them • Making ten, tens and ones, skip counting, number bonds, bar models, reading a clock and more • Great for kids who can't read yet: every problem and every step is read aloud • A wrong answer never gives the answer away: it's "Try again" STICKERS FOR EVERY ROUND • Finish ten problems, pick a sticker, and watch it fly into your sticker book • Tap a sticker and it jumps and does its own little move • A daily streak to keep going: "3 days in a row!" FOR GROWN-UPS • See each child's week: rounds, days played, how many right and the mistakes they fixed • MathPop calls your child by name: "Marcus, how many apples?" • Pre-K games in Japanese too (日本語), asked and explained out loud GAMES FOR EVERY GRADE • Numbers, Add & Subtract, Multiply & Divide, Fractions, Measurement, Shapes, Graphs and Puzzles • Word problems, telling time, money, place value and more, with pictures to help • Answer by tapping, typing or writing with your finger (set for each child) • Explore Numbers: tap a number and hear it in 23 languages, from Spanish and French to Japanese, Korean and Hindi MADE TO BE SIMPLE • A friendly voice built into the app, works offline • A player for each child, each with their own grade FAMILY ACCOUNT (OPTIONAL) Kids can play right away with no sign-in. Grown-ups can create a free family account to keep players and grades in sync across devices. The same account works in PitchPop. PRIVATE BY DESIGN No ads, no in-app purchases and no tracking. Without an account, everything MathPop remembers stays on your device.