Thank you for the confirmation from Privacy International and BBC. We first looked at Period Tracker by Leap Fitness Group. Then we did a dynamic analysis using our data intercept environment to see what data those apps shared with Facebook. It was a pleasant surprise to find that none of these apps shared any data with Facebook. Their great efforts to protect users' privacy are greatly appreciated. Even if you experience irregular periods, this app will provide reliable information and an ovulation calculator. Are you unable to remember when your last period was? You want to find out when your next period will be? The Period Tracker Ovulation and Pregnancy Calendar allows you to see past periods and forecast future fertile days. Based on your menstrual history, accurate and reliable predictions. Machine learning (AI) makes it even better. Beautiful Design Beautiful design, with beautiful decorations. Amazing Calendar and Report allow you to clearly see your intercourse history, moods and symptoms as well as temperature charts. Sign in to your Google account and all data will be automatically back up. Complete Privacy There is no data collection or sale. Your data can be saved to your smartphone or Google Drive. You can schedule reminders to receive notifications about your period and ovulation. The key features: Period tracker, Cycle tracker and Menstruation cycle tracker Customize your period length, cycles length, and ovulation prediction Unique period tracker diary design Notifications for period, fertility, and ovulation tracking. Weight and temperature charts Google Account backup, restoration Multiple accounts are supported for period and ovulation tracking. Pregnancy apps Are you looking for the best pregnancy apps? The best pregnancy app. This app makes it easy to get pregnant and helps with birth control. Women's period tracker The most reliable way for women to monitor their period and ovulation. This is the best period tracker available for women.