LADIES: 5 Cool Apps to help track ovulation and menstrual cycles

3. CLUE:

Glance at your phone to know when your next period or PMS is coming. Clue uses an algorithm to calculate and predict your own unique cycle. The more you use Clue, the more accurate it gets. Clue includes educational material about the menstrual cycle, answering questions like: Is my cycle normal? When can I get pregnant? What is PMS?