MyLui’s Privacy Policy

Effective Date: July 22, 2025
App Name: MyLui
Developer: Wynn Teo
Website: https://cloudfullstack.dev/portfolio/mylui/


1. Introduction

MyLui (“the App”) is designed to help users track their net worth without collecting, transmitting, or storing personal data externally. All financial information remains strictly on your device.

2. Data Collection & Usage

We Do Not Collect:

  • Personal identifiers (name, email, phone number).
  • Financial account credentials (bank logins, card details).
  • Location, contacts, or device identifiers.

What’s Stored Locally (On Your Device Only):

  • Manually entered account balances, assets, and liabilities.
  • Stock holdings (quantity only; prices fetched via Yahoo Finance API).
  • App preferences (e.g., currency settings, reminder schedules).

No Data Sharing:

  • Zero transmission to servers, third parties, or advertisers.

3. Permissions Explained

MyLui requests the following permissions solely for app functionality:

PermissionPurpose
INTERNETTo retrieve live stock data from Yahoo Finance.
ACCESS_NETWORK_STATETo detect network availability before making external requests.
VIBRATETo provide haptic feedback during app interactions (optional).
WAKE_LOCKTo keep the device awake during scheduled notifications.
RECEIVE_BOOT_COMPLETEDTo restore notification reminders after a device restart.
POST_NOTIFICATIONSTo show monthly update reminders or alerts.
USE_EXACT_ALARM / SCHEDULE_EXACT_ALARMFor scheduling exact-time monthly reminders.
REQUEST_IGNORE_BATTERY_OPTIMIZATIONSTo ensure reminders and alarms function reliably in background.
USE_BIOMETRIC / USE_FINGERPRINTFor secure login using device-level biometric authentication.

Note: MyLui does not access your contacts, location, messages, camera, or microphone.

If future updates require new permissions, we will:

  • Update this policy before release
  • Require explicit user consent
  • Never activate features silently

4. Third-Party Services

  • Yahoo Finance API is used solely to display public stock prices within the app. We do not control their data practices. See’s Yahoo Privacy Policy.
  • No personal data is transmitted to or received from Yahoo or any third-party providers.

5. Data Storage and Security

  • All data is stored locally on your device using internal storage or shared preferences.
  • Biometric authentication is handled entirely by your device’s operating system.
  • We cannot access, store, or transmit biometric data.
  • Optional reminders use the Android AlarmManager with exact alarms for scheduled notifications.

6. Children’s Privacy

MyLui is not intended for children under the age of 13. We do not knowingly collect data from children.

7. Data Sharing

We do not share your data with any third parties. There is no cloud sync, analytics, advertising, or tracking SDK used.

8. Changes to This Policy

We may occasionally update this privacy policy. All updates will be posted on this page with an updated effective date. Please review it periodically.

9. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact:

📧 Email: nnywwynn88@gmail.com
🌐 Website: https://cloudfullstack.dev/portfolio/mylui/