Which software is better for recording menstrual period?

I think the software for recording menstruation is good:

1, menstrual assistant

Menstruation app is a menstrual assistance software specially designed for female users, which mainly provides women with rich functions such as physiological period prediction, pregnancy preparation assistance, parenting, slimming and beauty, health reminder and so on.

2, grapefruit menstrual assistant

You Mei menstrual assistant app is a menstrual prediction management software specially designed for female friends, which brings together many practical knowledge of female physiological periods and has powerful functions.

3, menstrual tracker

The menstrual tracker app is a mobile phone software that records women's physiological cycles. It is a very intimate big aunt app, whose functions include predicting the possible ovulation date and predicting the menstrual cycle. It is a good helper to escort women during their physiological period.