calculator.net - Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Clue - Period and ovulation tracker app for iPhone
Unigradecalc - Unigradecalc is a website that provides a tool for calculating GPA (Grade Point Average).
Flo Health - The #1 app for women's menstrual health 💆♀️
GPACalculator.io - The easiest way to calculate your GPA
Eve by Glow - A savvy sex & health app for women