MonkeyMac vs Arithmetic

A comprehensive mental math training application that combines the aesthetic excellence of MonkeyType with the mathematical rigor of Zetamac. Practice timed arithmetic, track your progress across difficulties, customize themes and fonts, compete on leaderboards, unlock achievements, and race friends in real-time multiplayer with ELO-ranked party codes.

Arithmetic is a fast, focused way to sharpen your mental math. Whether you're learning math for the first time or sharpening your skills, preparing for a quant or casing interview,, or anyone who enjoys keeping their mind sharp, Arithmetic helps you build real speed and accuracy. PRACTICE THAT ADAPTS TO YOU • Drill addition, subtraction, multiplication, and division — separately or all at once • Set your own number ranges for each operation, from easy to challenging • Choose your session length and race the clock LEARN MODE • Study operation tables at your own pace • Reversed and shuffled options to test true recall, not a memorized order SEE YOUR PROGRESS • Detailed statistics scoped to exactly the setup you practiced • Full session history with a per-problem breakdown, so you can spot which facts slow you down PRIVATE BY DESIGN • No account, no sign-up, no ads • Works completely offline • All your data stays on your device. Nothing is ever collected or uploaded Simple, clean, and built to make daily practice something you'll actually stick with.