My Mikvah Calendar
My Mikvah Calendar is a revolutionary way to help you keep a Family Purity (Taharat Hamishpacha) calendar according to Chabad Lubavitch custom.
Register for an account and enter the date and time your menstrual flow begins, confirm your hefsek taharah when it is done and let My Mikvah Calendar calculate your countdown to mikvah. You also have the option to add Trips and Memos to your calendar.