Math Duel vs Math Duel

Math Duel turns math practice into a fast head-to-head race for two players using one phone or tablet. Sit on opposite sides of the device and tap Start. The same question appears at both ends of the screen, with one side rotated for the player sitting opposite. The first player to tap the correct answer scores the point. Choose exactly what you want to practice: • Multiplication and times tables • Division • Addition • Subtraction • Your own function, such as f(x) = 2x + 3 Customize the tables or number range, round timer, and winning score. Both players always receive the same question and answer choices, making every round a fair test of speed and accuracy. FEATURES • True two-player competition on one device • Identical questions for both players • Multiplication, division, addition, and subtraction • Custom arithmetic function mode • Adjustable number ranges and times tables • Configurable timer and target score • Immediate visual, sound, and haptic feedback • No in-app purchases • No accounts and no sign-in • Fully playable offline • Available in 11 languages FREE, WITH ONE BANNER AD Math Duel is free. A single banner ad appears on the start screen only — never during a game and never between rounds. Ads are non-personalized and rated for general audiences. Google AdMob may collect device identifiers and usage data to serve them; see our privacy policy. Ideal for children, siblings, parents, teachers, classrooms, and quick times-table practice.

Race a friend head-to-head on the same iPhone. Sharpen your mental math with quick daily puzzles. Math Duel is a fast, competitive math workout. One phone, two players, split-screen. Or go solo through five modes and build a streak. WHAT YOU CAN DO • Duel a friend on one phone — split-screen, first to finish wins • Solo mode with adjustable difficulty and time limits • Endless — one mistake ends the run, chase your best streak • Time Attack — beat the clock, race against 60 or 120 seconds • Practice — your rules, no limits, ease into it • Track progress with streaks, accuracy, level-ups, and 22 medals • Daily Challenge — same 10 puzzles for everyone, share your time • Mistake Journal reveals your weak operations and drills them for you • Advanced stats with charts, trend lines, and per-operation accuracy • 6 accent colors to match your vibe DESIGNED FOR iOS 26 Built natively for iPhone with the new Liquid Glass aesthetic. Respects your system appearance — Light, Dark, or Auto. PRIVATE BY DESIGN No accounts. No ads. No tracking. Your history stays on device, with optional iCloud sync when you enable it. https://kashalot.dev/legal/math-duel-terms