Privacy Policy

Last updated: June 19, 2025

1. Introduction

Lingvoo ("we", "us", "our", or "the app") is committed to protecting your privacy and personal data. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data when you use the Lingvoo mobile application.

By using Lingvoo, you agree to the collection and use of information in accordance with this policy. If you do not agree, please do not use the app.

2. Information We Collect

We collect and process the following categories of information:

2.1 Account Information

Email address: Used for account creation, authentication, and password recovery.
Name: The display name you provide during registration.
Password: Stored in encrypted (hashed) form. We never store or have access to your plain-text password.

2.2 Learning Profile Data

Native language: Your selected mother tongue for personalized learning.
Proficiency level: Your English proficiency level (beginner, intermediate, advanced).
Learning goal: Your selected learning objective (daily life, travel, business, exam prep, etc.).
Daily target: Your preferred daily learning time in minutes.

2.3 Progress and Activity Data

XP (Experience Points): Points earned through completing lessons and quests.
Streak data: Consecutive days of learning activity.
Words learned: Count of vocabulary items you have studied.
Lessons completed: Number of lessons and missions you have finished.
Last active date: The date of your most recent learning session.
Achievement data: Badges and milestones you have unlocked.

2.4 Information We Do NOT Collect

We do not collect your precise location or GPS data.
We do not access your camera, microphone, contacts, or photo library.
We do not collect financial or payment information.
We do not use advertising SDKs or ad tracking technologies.
We do not collect device identifiers for advertising purposes.

3. How We Use Your Information

We use the collected information for the following purposes:

Account management: To create, authenticate, and maintain your user account.
Personalization: To tailor lessons, difficulty, and content recommendations based on your level and goals.
Progress tracking: To save and display your learning progress, streaks, XP, and achievements.
Leaderboard: To rank users based on XP for the in-app leaderboard feature.
Notifications: To send you optional daily learning reminders (only if you enable them).
Service improvement: To understand usage patterns and improve the app experience.

4. How We Store Your Data

Your data is stored securely using Supabase, a trusted cloud database platform. Supabase provides:

Encrypted data transmission (TLS/SSL) between your device and our servers.
Row-level security (RLS) policies ensuring users can only access their own data.
Encrypted password storage using industry-standard hashing algorithms (bcrypt).
Servers hosted in secure, SOC 2 compliant data centers.

Some non-sensitive preferences (such as theme settings) are stored locally on your device using AsyncStorage and never leave your device.

5. Data Sharing and Third Parties

We do not sell, rent, or share your personal data with third parties for marketing or advertising purposes.

Your data may be processed by the following service providers solely for the purpose of operating the app:

Supabase (Database & Authentication): Stores your account information, learning profile, and progress data. Supabase Privacy Policy

We may disclose your information if required by law, legal process, or governmental request.

6. Data Retention

Your data is retained as long as your account is active.
You can request deletion of your account and all associated data at any time by contacting us.
Upon account deletion, all your personal data will be permanently removed from our servers within 30 days.
Locally stored data (theme preferences) is deleted when you uninstall the app.

7. Your Rights

You have the following rights regarding your personal data:

Access: You can request a copy of the personal data we hold about you.
Correction: You can update your profile information within the app at any time.
Deletion: You can request complete deletion of your account and data.
Portability: You can request your data in a portable format.
Objection: You can object to certain types of data processing.

To exercise any of these rights, please contact us at the email address listed below.

8. Children's Privacy

Lingvoo is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that a child under 13 has provided us with personal data, we will take steps to delete that information promptly. If you believe your child has provided us with personal data, please contact us.

9. Security

We take the security of your data seriously and implement appropriate technical and organizational measures to protect it, including:

End-to-end encryption for data in transit.
Secure password hashing (passwords are never stored in plain text).
Row-level security policies to prevent unauthorized data access.
Regular security reviews and updates.

However, no method of transmission over the internet or electronic storage is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

10. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be reflected on this page with an updated revision date. We encourage you to review this page periodically. Continued use of the app after changes constitutes acceptance of the updated policy.

11. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us at:

ometaas3@gmail.com