Privacy Policy - Lumi

LUMI PRIVACY POLICY

Effective Date: June 24, 2026

This Privacy Policy explains how the Lumi application ("Lumi", "the App", "we", "us", or "our") collects, uses, stores, and protects user information.

Lumi is a pregnancy support application that helps users track their pregnancy journey, store pregnancy-related information, manage appointments, record weight, save memories, and keep other information related to maternal and baby health.

By downloading, registering for, or using Lumi, you acknowledge that you have read and understood this Privacy Policy.

1. INFORMATION WE MAY COLLECT

Depending on the features you use, Lumi may collect, process, or store the following categories of information.

1.1. Account Information

When you register or sign in, we may process:

- Display name;

- Email address;

- Profile photo;

- Account identifier;

- Sign-in method;

- Authentication information processed by your sign-in provider.

If you sign in using Google, Apple, or another third-party provider, we only receive the information that the provider allows to be shared with the App.

Lumi does not store the passwords associated with your Google or Apple account.

1.2. Pregnancy and Health Information

To provide pregnancy tracking features, the App may process information you enter or information calculated from the data you provide, including:

- First day of your last menstrual period;

- Estimated due date;

- Pregnancy week and trimester;

- Weight and related measurements;

- Symptoms, mood, and personal notes;

- Medical appointments, tests, and reminders;

- Information related to fetal development;

- Questions or notes you may wish to discuss with your healthcare provider;

- Pregnancy journal entries and other pregnancy-related information that you voluntarily provide.

Certain information, such as pregnancy week or estimated due date, may be automatically calculated by the App based on the information you provide.

1.3. Memories and User-Generated Content

If you use the journal or memories features, you may provide:

- Ultrasound images;

- Baby bump photos;

- Profile photos;

- Journal entries;

- Titles, descriptions, and notes;

- Dates associated with memories or events;

- Other content that you voluntarily upload.

You are responsible for the content you provide and for ensuring that you have the right to use and upload such content.

Lumi does not make your private content publicly available unless you intentionally use a sharing feature provided within the App.

1.4. Device Information and Technical Data

The App and its integrated technical services may automatically collect certain information, including:

- Device type and model;

- Operating system version;

- App version;

- Language and time zone;

- IP address;

- App installation identifiers;

- Crash logs and diagnostic information;

- Performance, error, and App usage information;

- Advertising identifiers, where permitted by the operating system and with user consent when required.

This information may be used to operate, secure, analyze, maintain, and improve the App.

2. HOW WE USE INFORMATION

We may use information to:

- Create and manage user accounts;

- Provide pregnancy tracking features;

- Calculate pregnancy week and estimated due date;

- Store and display pregnancy data, appointments, and memories;

- Synchronize data across devices;

- Send notifications and reminders that users have enabled;

- Personalize content within the App;

- Maintain, troubleshoot, and improve the quality of the App;

- Detect fraud, abuse, or security issues;

- Measure App performance and usage;

- Display advertisements in accordance with applicable privacy settings and user consent;

- Comply with applicable laws or valid requests from authorized government authorities.

3. HEALTH DATA AND ADVERTISING

Lumi may display advertisements through Google AdMob or similar advertising services.

We do not intentionally provide advertisers with pregnancy or health information such as:

- Estimated due date;

- Pregnancy week;

- Weight;

- Symptoms;

- Mood;

- Medical appointments;

- Ultrasound images;

- Pregnancy journal entries;

- Personal health notes.

Pregnancy and health information is not used as an advertising keyword or as a criterion for ad targeting.

Advertising providers may process device information, IP addresses, advertising identifiers, and advertising interaction data in accordance with their own privacy policies and with user consent where required by law.

Users in certain regions may be asked to choose between personalized and non-personalized advertising through a consent management form.

4. DEVICE PERMISSIONS

Lumi requests access to device permissions only when necessary for a specific feature.

The App may request access to the following:

Camera and Photo Library

These permissions may be used to:

- Select a profile photo;

- Take or upload ultrasound images;

- Add baby bump photos;

- Add images to journal entries or memories.

Where supported by the operating system, Lumi does not require access to the entire photo library if the user can choose specific photos to share with the App.

Notifications

Notifications may be used to send:

- Appointment reminders;

- Pregnancy care reminders;

- Journal reminders;

- Information related to features the user has enabled.

Users can disable notifications at any time through their device settings.

Internet Access

Internet access may be used to:

- Sign in;

- Synchronize and back up data;

- Load content;

- Deliver notifications;

- Display advertisements;

- Connect to App support and technical services.

Lumi does not request permissions that are unnecessary for the features provided by the App.

5. THIRD-PARTY SERVICES

Lumi may use services provided by third parties, including:

- Firebase Authentication;

- Cloud Firestore;

- Firebase Storage;

- Firebase Cloud Messaging;

- Firebase Analytics;

- Firebase Crashlytics;

- Google Sign-In;

- Sign in with Apple;

- Google Mobile Ads or AdMob;

- Google User Messaging Platform.

These service providers may process certain information in accordance with their own privacy policies.

We use third-party services to support authentication, storage, synchronization, analytics, notifications, crash diagnostics, and advertising.

6. SHARING OF INFORMATION

We do not sell users' pregnancy data or personal health information.

Information may only be shared in the following circumstances:

- With service providers that are necessary to operate the App;

- When a user intentionally shares information through a feature provided by the App;

- To protect the rights, property, safety, or security of users or the community;

- When required by law or pursuant to a valid request from an authorized authority;

- In connection with a restructuring, transfer, merger, acquisition, or change in ownership of the product, provided that the information continues to be protected in accordance with applicable law.

Service providers are only permitted to process information to the extent necessary to provide their respective services.

7. SHARING WITH A COMPANION

If Lumi provides a feature that allows users to share their pregnancy journey with a companion, users may choose to invite another person to access certain information.

The scope of information shared depends on the feature and the permissions granted by the user.

Users are responsible for:

- Inviting only people they trust;

- Reviewing information before sharing it;

- Revoking access when it is no longer needed.

Sharing is not enabled automatically unless the user takes an explicit action to confirm it.

8. DATA STORAGE AND SECURITY

We use reasonable technical and organizational measures designed to protect information against:

- Unauthorized access;

- Unauthorized modification;

- Accidental disclosure;

- Loss or destruction.

Information may be transmitted and stored through cloud infrastructure provided by third-party service providers.

Although we take reasonable steps to protect user information, no method of electronic transmission or storage can guarantee absolute security.

Users are responsible for protecting their login information, devices, and accounts.

9. DATA RETENTION

We retain information for as long as an account remains active or for as long as reasonably necessary to:

- Provide our services;

- Maintain App functionality;

- Fulfill user requests;

- Resolve disputes;

- Comply with legal obligations.

When an account is deleted, we will delete or anonymize associated information within a reasonable scope, unless applicable law requires us to retain certain information.

Temporary copies may remain in backup systems for a limited period before being permanently deleted.

10. ACCOUNT AND DATA DELETION

Users may request account deletion through the account deletion feature within the App or by contacting us.

Once a deletion request has been verified, we may delete:

- Login account information;

- User profile information;

- Pregnancy information;

- Journals and memories;

- Uploaded images and files;

- Appointments and reminders;

- Other data directly associated with the account.

Before processing a deletion request, we may require the user to sign in again or otherwise verify ownership of the account.

Deleting an account does not necessarily cancel a subscription managed by Apple App Store or Google Play.

Users must separately cancel any active subscription through the subscription management settings of the relevant store.

For assistance with account or data deletion, please contact:

Email: leluong.dev@gmail.com

11. USER RIGHTS

Depending on the laws applicable in your place of residence, you may have the right to:

- Request access to your personal information;

- Request correction of inaccurate information;

- Request deletion of your information;

- Restrict or object to certain processing activities;

- Withdraw your consent;

- Request a copy of your information;

- Submit a complaint to the relevant data protection authority.

Users may edit certain information directly within the App or contact us by email.

Withdrawing consent does not affect the lawfulness of processing carried out before consent was withdrawn.

12. CHILDREN'S PRIVACY

Lumi is not specifically designed for children under the age of 13 or the equivalent minimum age required by applicable local law.

We do not knowingly collect personal information from children who are not legally permitted to provide consent on their own.

If we become aware that personal information from a child has been provided without valid consent from a parent or legal guardian, we will take reasonable steps to delete that information.

13. MEDICAL INFORMATION AND DISCLAIMER

The content provided by Lumi is intended solely for general informational purposes and to support pregnancy tracking.

The App:

- Does not replace a doctor or qualified healthcare professional;

- Does not provide medical diagnoses;

- Does not replace medical examinations, professional consultations, or treatment;

- Does not guarantee that all calculations are completely accurate;

- Should not be used to manage medical emergencies.

Estimated due dates, pregnancy weeks, and other measurements provided by the App are estimates based on information entered by the user.

Users should consult a qualified doctor or healthcare professional before making decisions related to their health or pregnancy.

In the event of an emergency or if you experience unusual or concerning symptoms, contact your local healthcare provider or emergency services immediately.

14. LINKS TO EXTERNAL SERVICES

The App may contain links to third-party websites or services.

We do not control and are not responsible for the content, privacy practices, or security practices of those external services.

Users should review the privacy policies of third-party services before providing personal information to them.

15. INTERNATIONAL DATA TRANSFERS

Cloud and technical service providers may process information in countries other than the country where the user resides.

Where international data transfers occur, we and our service providers will apply appropriate safeguards as required by applicable law.

16. CHANGES TO THIS PRIVACY POLICY

We may update this Privacy Policy from time to time to reflect:

- Changes to the App;

- New features;

- Changes in technology;

- Legal requirements;

- App store policy requirements.

The Effective Date at the top of this Privacy Policy will be updated whenever changes are made.

For material changes, we may notify users through the App or through another appropriate communication method.

By continuing to use the App after an updated Privacy Policy becomes effective, you acknowledge that you have been given an opportunity to review the updated policy.

17. CONTACT US

If you have any questions, requests, or complaints regarding this Privacy Policy or your personal information, please contact us:

App: Lumi

Email: leluong.dev@gmail.com