Application for female ovulation period

The first app is David's Calculator, which helps women calculate when they are ovulating. This calculator uses mathematical formulas to calculate a woman's menstrual cycle and when an egg is released. It also helps women calculate their safe periods and when they are likely to become pregnant.

The second app is "Cycle Predictor" which helps women predict when they will ovulate each month. The app uses mathematical formulas and algorithms to predict a woman's cycle and when she is likely to release an egg. Women can use this app to understand their cycles and better control their fertility plans.

The third application is the "David Test Strip", which can help women test themselves when they are ovulating. This test strip can show symptoms of ovulation in women, such as increased body temperature, increased appetite, and increased sexual desire. Women can use this test strip to understand their ovulation period and better control their fertility plan.