百Math vs Math Brain

When did you last do mental math without reaching for your phone? 百Math was built by an engineer who realized he'd become too dependent on calculators and AI to do even simple arithmetic. This app is his answer — and maybe yours too. Trusted by users for 5 years, 百Math is a no-frills 100-problem calculation trainer. Solve all 100 as fast as you can, track your progress, and compete on the global leaderboard. 【Key Features】 ・4 Modes: Addition, Subtraction, Multiplication, and Division ・Schulte Table — a visual search game that sharpens your peripheral vision and focus ・Flash Calculation — a new mode that trains your instant recall ・Ghost Race — compete against your personal best ・Heatmap to spot your weak spots ・Clean, distraction-free design ・Global ranking system ・Streak counter, average time, and time chart to track improvement ・Home screen widget for quick access

Math Brain is a handwriting math workout app. Write your answers directly on the screen — the AI recognizes your handwriting and grades you instantly, just like a paper drill. Train every day with four game modes and a Daily Challenge, from kids practicing arithmetic to adults keeping their brain sharp. GAME MODES - Grid Math (5x5 / 10x10 "hundred square"): addition, subtraction, multiplication (times tables) - Fill-in Math: find the missing number in the equation - Letter Math: crack the digits hidden behind letters (cryptarithm) - Number Mystery: guess the 2-digit number from clues DAILY CHALLENGE Ten fresh questions every day, one attempt per day. Compete on the daily leaderboard, track your Brain Power score, and review your history on the calendar. RECORDS & BATTLES - Your times are charted so you can see yourself getting faster - Battle mode: race against the records of players worldwide GREAT FOR - Kids practicing addition, subtraction and multiplication - Students and adults building mental math speed - Anyone who wants a quick daily brain workout