Hesaplabs: Calculators & Tests

Hesaplabs brings together 111+ calculators in one app — from finance and health to chemistry and physics. CALCULATORS Loan, VAT, stamp tax, Body Mass Index (BMI), menstrual/ovulation calendar, land share, acid-base, molar mass, horoscope and many more — practical calculators across dozens of categories. TESTS & GAMES Reaction time, visual memory, IQ-style challenges, color blindness, typing speed and more — with score tracking and leaderboards. WHY HESAPLABS • 111+ tools in a single app • Ad-free, fast and works offline • Health calculators with cited, trusted sources • Turkish and English • Light & dark theme • iPhone and iPad support Download now and get every calculation done in one place.