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Privacy Policy

Last updated: May 23, 2026

1. Introduction

Welcome to Mere! We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, store, and protect your information when you use the Mere app.

2. Information We Collect

2.1. Account Information

  • Full name
  • Email address
  • Preferred language

2.2. Menstrual Cycle Data

  • Menstrual flow data
  • Symptoms and feelings
  • Energy levels
  • Personal notes and observations
  • Cycle settings (average length, period duration)

2.3. Profile Data

  • Life situation
  • Birth control status
  • Stress level
  • Wellness support priorities

2.4. Usage Data

  • Conversations with Mira (AI companion)
  • Notification preferences
  • App settings

2.4.1. Mira & OpenAI

When you use Mira, your chat messages and in-app wellbeing context may be sent to OpenAI (a third-party AI provider) through our secure Supabase servers to generate replies. We ask for your permission before sending data to OpenAI.

We do not sell your data. We do not send your name, email address, or other direct identifiers to OpenAI.

We do not send data to OpenAI unless you agree on the “Before We Begin” screen (“How Mira works”). Without that agreement, Mira and AI insights are not available. The rest of the app (cycle tracking, calendar, nutrition, etc.) does not use OpenAI.

Examples of data sent for personalization:

  • Cycle day, phase, next period prediction
  • Recent check-ins (energy, symptoms, focus, short notes)
  • Wellbeing profile (stress, birth control, priorities — if you filled them in)
  • Calendar events (title, date — next 14 days)
  • Your current Mira conversation history (session)

We do not use Mira data for advertising. OpenAI’s privacy policy applies to their processing: https://openai.com/policies/privacy-policy

2.5. Notifications & device

  • Tokens or technical identifiers used to deliver push notifications (e.g. via services such as Firebase Cloud Messaging), if you enable notifications.

2.6. Performance (web)

On the web we may collect technical performance data (e.g. via Vercel Speed Insights) to improve site speed and stability. This is not used for cross-app advertising.

3. How We Use Your Information

We use your information to:

  • Provide personalized app features
  • Generate predictions and insights about your cycle
  • Provide personalized suggestions through Mira (AI companion)
  • Send notifications and reminders (if you have enabled these features)
  • Improve and develop the app
  • Respond to your support requests

⚠️ Important: We do not share your data with third parties for marketing purposes. Your data is used only to improve your experience in the app.

4. Data Storage and Security

Your data is stored securely using Supabase, a secure database service. We implement technical and organizational security measures to protect your data against unauthorized access, loss, or destruction.

  • Encryption in transit (HTTPS)
  • Encryption at rest
  • Secure authentication
  • Controlled data access

5. Data Sharing

We do not sell, rent, or share your personal data with third parties for commercial purposes. We may share your data only in the following limited situations:

  • With service providers who help us operate the app (e.g., Supabase for data storage, OpenAI for AI functionality)
  • For subscriptions: on iOS, payments are processed by Apple (In-App Purchase); on the web you may pay via Stripe. We use RevenueCat to link purchases to your account and reflect your plan in the app. We do not store your full card number in the app.
  • When legally required or to protect our rights
  • With your explicit consent

6. Your Rights

You have the following rights regarding your data:

  • Right to access: You can request a copy of your personal data
  • Right to rectification: You can update or correct your data
  • Right to deletion: You can request deletion of your account and data
  • Right to export: You can export your data in JSON format from the app settings

Your choices in the app

  • Notifications: you can turn them on or off in the app settings and in your device system settings (iOS/Android).
  • iOS subscriptions: you can view or cancel them in Apple ID Settings → Subscriptions (per Apple’s policies).

7. Children's Privacy

Mere is intended for users aged 16 and above. We do not knowingly collect personal data from persons under 16 years of age. If we become aware that we have collected data from a child under 16, we will immediately delete such information.

8. Changes to Privacy Policy

We reserve the right to update this Privacy Policy from time to time. We will notify you of any significant changes through the app or by email. We encourage you to review this policy periodically to stay informed about how we protect your data.

9. Data Deletion

You have the right to delete your data from the app at any time without deleting your account. You can delete the following data:

  • All menstrual cycle data
  • Favorites and preferences
  • Notification history
  • Milestones and achievements

ℹ️ Note: Deleting data will not delete your account. You will remain signed in and can continue using the app.

How to delete your data in the app:

  1. Open the Mere app
  2. Go to Settings (icon in bottom right corner)
  3. Select "Advanced Settings"
  4. Scroll to the "Danger Zone" section
  5. Click on "Delete All My Data"
  6. Confirm the deletion

After deletion, your data will be permanently removed, but your account will remain active.

10. Account Deletion

You have the right to completely delete your account and all associated data at any time. When you delete your account, the following information will be permanently removed:

  • Your account and authentication information
  • All menstrual cycle data
  • Your settings and preferences
  • Your profile and wellness information
  • All milestones and achievements
  • Notification history
  • Calendar events
  • Conversations with Mira (AI companion)

⚠️ Warning: Account deletion is permanent and cannot be undone. Once deleted, you will no longer be able to access your data.

Before deleting your account, we recommend exporting your data from the app's advanced settings.

How to delete your account in the app:

  1. Open the Mere app and sign in
  2. Tap Settings (gear icon, top right)
  3. Under “Privacy & Data”, tap “Delete account”
  4. Continue on the in-app account deletion screen
  5. Read the warnings and tap the confirmation button to delete
Delete My Account

Or from the app: Settings → Privacy & Data → Delete account

After deleting your account, you will be automatically signed out and redirected to the home page. The deletion process is completed immediately and all your data is permanently removed from our system.

11. Contact Us

If you have questions or concerns about this Privacy Policy or how we handle your data, contact us through the in-app feedback form or at daniela@mere-app.com.