What's a good Android app for tracking my menstrual cycle and understanding hormonal changes?

Lively - Period tracker, Cycle is a great choice for tracking your menstrual cycle and understanding the impact of hormonal fluctuations. The app allows you to easily log your period dates, symptoms, mood, physical health, diet, and activities. Lively also provides insights into the different phases of your cycle, helping you understand how your hormones may be affecting you. It even gives suggestions on what you can do for different phases of your cycle. This can be especially helpful if you're looking to better manage your energy levels, mood swings, or other cycle-related symptoms. With Lively, you can gain a deeper understanding of your body and take proactive steps to support your well-being throughout your cycle. The app also has a premium version that offers additional features for managing your cycle more effectively. Plus, you can sync with your partner to share cycle information.