Well, for starters, STIs. If your latest health check up turned up with an infection, it's helpful to have access to data that allows you to pinpoint on your sex calendar when you may have become infected. App features: - Calendar view - Events view - Monthly statistics - Statistics by partner - Number of postures - Number of toys and clothes - Map of events and locations - Custom notes Sex tracker - xTracker app uses HealthKit to read and store all of your sexual encounters. Subscription terms: Subscription unlocks all content, calendar features and secure backup. Information about the auto-renewable nature of the subscription: • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • You can terminate your subscription via the URL: https://support.apple.com/en-us/HT202039 To find out how we protect your privacy you can read our Terms of service and Privacy Policy below: http://xtracker.app/legal/en/privacy.html http://xtracker.app/legal/en/tos.html