Privacy policy

This policy explains what data LifeRivo collects, what it is used for and what rights you have.

1. Data we collect

• Account information: username, display name, interface language, password (stored only as a one-way hash that nobody can read).
• Learning data: submissions, code, scores, progress, words to review, day streak, class work.
• Speaking practice: the text your browser recognised from your speech, and your pronunciation scores. We do not receive or store audio recordings; the recording used to replay your own voice stays on your device and is discarded when you leave the page.
• AI features: your questions, conversations, mock interviews and the AI's answers.
• Orders and payments: order code, amount, transfer description, bank transaction reference. We never store card numbers or banking passwords.
• Technical data: IP address and access times, for security and abuse prevention.

2. Purposes

To provide learning services, grade work, save progress, send study reminders, activate paid plans, support learners, prevent fraud and improve content quality.

3. Who can see learning data

• Teachers see the work and scores of learners in their own classes only, never other teachers' classes.
• A Family plan owner only sees the progress of members who agreed to share it, and never sees their passwords or work.
• Learners cannot see other learners' work. Leaderboards show only display names and the number of exercises passed.

4. Third parties that process data

• The AI provider (Google Gemini API) receives questions, conversations and sentences for pronunciation tips together with lesson context in order to generate answers, and receives model sentences in order to generate voice audio. We do not send your username or password.
• Your browser's speech-recognition service (for example Google with Chrome, Microsoft with Edge): when you tap the microphone, the browser sends audio to that service under the browser vendor's own policy.
• We do not sell personal data and do not use your data for advertising.

5. Storage and security

Data is stored on our servers, sent over HTTPS and backed up regularly. Code you run executes in an isolated environment without network access. Data is kept while the account is active; transaction data is kept for as long as accounting law requires.

6. Children

People under 16 need the consent of a parent or guardian to create an account. A parent or guardian can ask to see or delete their child's data through the contact channel.

7. Your rights

You can see, correct or ask us to delete your personal data, withdraw consent and complain about how data is handled. Send requests via study@liferivo.com; we reply within 7 business days.

8. Cookies and browser storage

We only use the cookie needed to keep you signed in, and store your choices (language, light or dark theme, current subject, voice) in your browser. We do not use advertising or third-party tracking cookies.

9. Changes to this policy

When we make important changes we announce them on the website before they apply.

Last updated: 11 Nov 2026.

If the Vietnamese and English versions differ, the Vietnamese version prevails.