privacy policy

last updated: january 2025

overview

lune is a menstrual cycle tracking application developed by Amy Tourte LLC. we are committed to protecting your privacy and ensuring your personal data remains secure and under your control.

information we collect

data you provide

when you use lune, you may provide:

  • cycle tracking data (period dates, cycle length)
  • mood, energy, and symptom logs
  • personal notes
  • email address (for account creation)

data we do not collect

we do NOT collect:

  • location data
  • device identifiers
  • usage analytics
  • advertising identifiers
  • any data from other apps
  • your contacts or photos
  • any data beyond what you explicitly enter

how we store your data

your tracking data is stored in two places:

  1. on your device: local storage for immediate access
  2. encrypted cloud storage: Supabase (PostgreSQL database) with industry-standard encryption

your data is associated with your account and is only accessible to you when you log in.

how we use your data

we use your data solely to:

  • display your cycle information in the app
  • calculate your cycle predictions
  • show relevant educational content based on your cycle phase
  • sync your data across your devices

we do NOT:

  • sell your data to third parties
  • share your data with advertisers
  • use your data for marketing
  • analyze your data for any purpose beyond app functionality
  • track your behavior or usage patterns
  • share data with insurance companies or employers

data sharing

we do not share, sell, or rent your personal information to any third parties.

your data is yours. we do not have access to view your personal tracking information except when:

  • you explicitly request support and grant us permission
  • required by law (we have never received such a request)

third-party services

lune uses:

  • Supabase: for secure data storage and authentication (GDPR compliant, SOC 2 Type II)
  • Expo: for app infrastructure (does not collect personal health data)

your rights

you have the right to:

  • access: view all your data within the app
  • export: request a copy of your data
  • delete: delete your account and all associated data at any time
  • modify: change or update any of your data

how to delete your data

to delete your account and all data:

  1. open lune
  2. go to settings
  3. tap "delete account"
  4. confirm deletion

or contact us at [email protected] and we will delete your account within 7 days.

once deleted, your data cannot be recovered.

data security

we implement appropriate technical measures to protect your data:

  • encryption in transit (HTTPS/TLS)
  • encryption at rest
  • secure authentication
  • regular security updates
  • no unnecessary data collection

children's privacy

lune is intended for users aged 18 and older. we do not knowingly collect information from anyone under 18.

changes to this policy

we may update this privacy policy from time to time. we will notify you of changes by posting the new policy in the app and updating the "last updated" date.

contact us

questions about this privacy policy or your data:

your california privacy rights (CCPA)

if you are a california resident:

  • right to know what personal information is collected
  • right to deletion
  • right to non-discrimination

we do not sell personal information.

your european privacy rights (GDPR)

if you are in the european economic area:

  • right to access, rectification, erasure
  • right to restrict processing
  • right to data portability
  • right to withdraw consent

contact us at [email protected]. we will respond within 30 days.

by using lune, you agree to this privacy policy.