Revised December 29th, 2020.
Custom Alerts does not collect or store any of your personal data. Although Custom Alerts accesses information about your calendars and events, it does not collect or store any of that information. For example, Custom Alerts does not collect or store calendar names, event names, event notes, event URLs, event invitees, or event attachments.
Custom Alerts may collect diagnostic information related to app crashes that could include anonymous information about your device and what Custom Alerts was doing when it crashed.