Mobile Clean System Lab
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Consumer Health Data Privacy Policy

Effective 9 October 2026 · Version 2026.10.09 · Separate from our general Privacy Policy

This notice covers consumer health data processed by health-related apps published by Mobile Clean System Lab, including Period Tracker Ovulation. It does not replace the product Privacy Policy; it adds health-specific disclosures.

Who we are

Mobile Clean System Lab, Central Plaza, 18 Harbour Road, Wan Chai, Hong Kong, Hong Kong SAR. Email [email protected]. Phone +852 6123 4567.

What consumer health data we process

Information you enter about menstrual cycles, symptoms, notes and predictions derived from that information. We treat inferred cycle predictions as health-related data as well.

How we use it

  • To provide tracking and prediction features you request
  • To respond to support requests you send us

What we do not do

  • We do not sell consumer health data
  • We do not use consumer health data for advertising or cross-context behavioural advertising
  • We do not use it to train third-party advertising models

Sharing

Health entries are intended to stay on your device for core tracking. We do not share consumer health data with advertisers. Service providers that process support emails may see what you choose to include in a message.

Your rights

Depending on your state or country, you may request access, deletion, withdrawal of consent, or an appeal. Email [email protected]. See also Data deletion.

Medical disclaimer

Our health apps are not medical devices and do not diagnose, treat, cure or prevent disease. They are not contraception. Consult a clinician for medical advice.

Related pages

Period Tracker Privacy Policy · Studio Privacy Policy

Mobile Clean System Lab
Central Plaza, 18 Harbour Road, Wan Chai, Hong Kong, Hong Kong SAR
[email protected] · +852 6123 4567
Support · Legal centre · Data deletion
Effective 9 October 2026 · Version 2026.10.09