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Have a question, feature request, or just want to say hello? Drop us a message below and we'll get back to you within 2–3 business days.

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Please note: we are not able to provide personal medical advice.

Response Times

General Inquiries 2–3 days
Bug Reports 1–2 days
Privacy Concerns 24 hours

We Can Help With

  • How the calculator works
  • Feature suggestions & feedback
  • Bug reports & technical issues
  • Privacy & data questions
  • Personal medical advice (please consult a doctor)

Before you write…

Many common questions about period tracking, ovulation, and cycle irregularities are answered in our FAQ section on the home page.

Visit our FAQ

Privacy note: Any information you share via this contact form is used solely to respond to your inquiry and is never shared with third parties.