Chroma Calc Pro: Calculator

All-in-one calculator + 100+ tools: scientific, finance, BMI, GPA, unit & currency converters, dates, text & QR. 80+ stunning themes. Free, beautiful, 40+ languages.

The most beautiful all-in-one calculator on the App Store — and a complete toolbox of 100+ calculators and converters in one free app. Whether you're a student, a professional, or someone who just wants their calculator to look stunning, Chroma Calc Pro turns everyday math into a delightful experience.

• ONE APP, EVERY CALCULATOR • Basic, scientific & programmer calculators • Matrix operations, equation solver & statistics • Calculation history, memory and live expression preview

• FINANCE & MONEY Loan, mortgage, EMI, investment, ROI, CAGR & stock-return calculators. Tip, discount, tax, interest, currency converter, salary, rent-vs-buy and depreciation — make smarter money decisions in seconds.

• HEALTH & FITNESS BMI, BMR, TDEE, body-fat, calorie, macro and water-intake calculators. Plus pregnancy, ovulation, period and sleep trackers and baby-growth tools.

• STUDENT TOOLS GPA calculator, final-grade and grade-weight calculators, attendance tracker, and a full math suite: fractions, GCD/LCM, permutations, combinations, Fibonacci, prime checker, base/Roman-numeral converters and a random generator.

• UNIT & CURRENCY CONVERTERS Length, weight, temperature, area, volume, speed, time, data, energy, power, pressure, fuel efficiency, torque, electricity, cooking and live currency — convert anything, anywhere.

• DATE & TIME Age calculator, date difference, date add/subtract, timezone converter, days-until countdowns, work-hours and calendar tools.

• EVERYDAY & FUN QR & barcode generators, password generator, word counter, case & text-diff tools, color converter, protractor, ring & tire size, cooking measures. Flashlight, disco light, strobe, SOS signal and Morse code. Dice roller, coin flipper, wheel spinner, team & name picker. Even an AI chat assistant.

• CONSTRUCTION & TRANSPORT Concrete, paint and tile estimators. Fuel cost, driving time and mileage tools for the road.

• 80+ STUNNING THEMES & FULL CUSTOMIZATION Choose from 80+ premium themes across 15 categories — Light, Dark, Colorful, Neon, Cosmic, Ocean, Forest, Space and more. Personalize button shapes (rectangle, circle, heart, star, diamond), animation effects (bounce, pulse, ripple, glow), 10 font families and 3 design styles (Standard, Neumorphism, Glassmorphism). No other calculator looks like yours.

• DESIGNED TO FEEL PREMIUM Smooth animations, satisfying haptic feedback, smart thousands-separator formatting and a clean, gesture-friendly layout that's a joy to use on every iPhone and iPad.

• AVAILABLE IN 40+ LANGUAGES Fully localized in English, Spanish, French, German, Italian, Japanese, Korean, Chinese, Arabic, Russian, Portuguese, Dutch, Turkish, Hindi and many more.

• FREE & PRIVACY-FIRST Completely free with optional ads. No account, no sign-up, and your calculations stay on your device — we don't collect your personal data.

Why people love it: "Finally, a calculator that's actually beautiful to use." "It replaced five different apps on my phone." "The themes are gorgeous and everything is so smooth."

Stop juggling a dozen single-purpose apps. Download Chroma Calc Pro and get every calculator, converter and tool you'll ever need — wrapped in a design you'll actually want to open.