About
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