Apps
All of our apps are free to download, work offline, and respect your privacy. New tools ship regularly.
Every calculator you'll ever need in one polished, offline-first app.
The fastest, cleanest everyday calculator. Zero clutter, instant results.
Interest, EMI, ROI and loan planning tools for smarter money decisions.
Full-featured scientific engine with graphing, fractions and constants.
Convert 20+ categories of units instantly — length, weight, speed, data and more.
BMI, BMR, calories and fitness metrics with a clean, motivating interface.
Grade, GPA and study tools that help students stay on top of their work.
Hex, binary, base conversions and bitwise tools made for developers.
Portfolio math, price conversions and profit tracking for the crypto curious.
Physics and chemistry helpers — constants, formulas and unit science.
Ask anything in plain language and get step-by-step answers, powered by AI.
Cybersecurity, AI and developer tools are next on the roadmap.
Ratings, reviews and all published versions live on our developer page.