Life
11 appsOvulation, Period & Due Date Calculator
Ovulation day, fertile window, next periods, due date and pregnancy weeks from one date — nothing stored online.
Shoe & Clothing Size Converter
US, UK, EU, Korean and Japanese shoe, top and waist sizes side by side — check before ordering abroad.
Percentage, Discount & VAT Calculator
Work out a percentage, a sale price with stacked discounts, or a price with tax added or stripped out.
Chinese Zodiac Years & Ages
Type your birth year to get your Chinese zodiac animal, element and cycle name. All 12 signs with years, ages, personality, best matches and the 2026 outlook.
GPA Calculator
Enter your courses, credits and letter grades to get your GPA on a 4.0 scale — weighted, semester and cumulative.
Can Dogs & Cats Eat This? Food Safety Checker
Grapes, chocolate, onions… tap a food to see the danger level, symptoms and what to do. 63 foods for dogs and cats.
Supplement Interaction Checker
Pick the supplements you take and see what not to combine, what to space out, and a daily schedule. 55-entry reference with evidence grades.
Ring Size Measurer
Measure a ring on your screen after calibrating with a card or coin, or convert by circumference. US, UK, EU sizes.
Subscription Cost Calculator
Netflix, Spotify, iCloud, Game Pass… add what you pay for and see your monthly and yearly total, plus what you'd save by cancelling.
BMI, BMR & Calorie Calculator
Body mass index, basal metabolic rate and daily calorie target from your height and weight.
Day Counter & Date Calculator
Days until or since a date, add days, and count working days.