Privacy Policy

Last updated: April 30, 2026 · Developer: Dan Filea · Contact: vollsera.app@gmail.com

1. Introduction

Dan Filea ("we", "us", "our") operates the Vollsera mobile application. This Privacy Policy explains how we collect, use, and protect your personal information when you use our App.

By using Vollsera, you agree to the collection and use of information as described in this policy.

2. Information We Collect

Information You Provide:

• Account information: email address, username
• Profile information: native language, learning goal
• Voice data: processed in real-time, not stored permanently
• Text messages: conversation messages with the AI partner.

Information Collected Automatically:

• Usage data: session duration, messages sent, XP earned, streaks
• Device information: device type, operating system version
• Performance data: app crashes and errors (via Firebase Crashlytics)
• Analytics data: feature usage patterns (via Firebase Analytics).

3. How We Use Your Information

• Create and manage your account
• Provide personalized English learning experiences
• Track your progress and calculate scores
• Generate AI-powered session summaries
• Send welcome and notification emails
• Improve App performance and features
• Prevent fraud and abuse
• Comply with legal obligations.

4. AI and Voice Processing

• Voice input is processed by Google Speech Recognition. Audio is not stored on our servers.
• Text conversations are sent to Anthropic Claude API to generate AI responses. Text conversations are processed by Anthropic Claude API solely to generate responses within the App. We do not use your conversations to train our own AI models.
• Session summaries are generated by AI and stored in your profile to personalize future sessions
• AI-generated responses are for educational purposes only and may not always be accurate.

5. Data Storage and Security

Your data is stored securely using Google Firebase infrastructure with encrypted data transmission (HTTPS/TLS), secure authentication and access controls limiting who can view your data

We implement reasonable security measures to protect your information. However, no method of transmission over the internet is 100% secure.

6. Data Retention

• Account data is retained as long as your account is active.
• Session data is retained to provide analytics and progress tracking
• Conversation history is not permanently stored beyond session summaries
• Upon account deletion, your data will be removed within 30 days.

7. Sharing Your Information

We do not sell your personal information. We share data only with:

• Service providers: Firebase, Anthropic, Google Cloud, SendGrid — only as necessary to provide our services
• Legal authorities when required by law
• Business transfers: in the event of a merger or acquisition
• All third-party service providers are bound by confidentiality agreements and may only use your data to provide services to us.

8. Children's Privacy

Vollsera is available to users aged 13 and older. We do not knowingly collect information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete it immediately.

9. Your Rights (GDPR)

As a user in the European Union/Non-EU, you have the right to:

• Access your personal data
• Correct inaccurate data
• Delete your data ("right to be forgotten")
• Object to processing
• Data portability
• Withdraw consent

You may request account deletion directly from the app (if available) or by contacting us via email

To exercise these rights, contact: vollsera.app@gmail.com

10. Leaderboard and Public Data

Your username and XP score are visible on the public leaderboard. Your email is never publicly displayed.

11. Cookies and Local Storage

Vollsera uses local device storage to:

• Keep you logged in between sessions
• Cache your daily progress for faster loading
• Store your notification preferences

12. Email Preferences and Unsubscribe

You may receive limited account-related emails (such as welcome messages or important updates)

You can opt out of non-essential emails at any time by:

• Clicking the unsubscribe link included in the email
• Contacting us at vollsera.app@gmail.com

13. Changes to This Policy

We will notify you of significant changes via the App or email.

14. Contact Us

Email: vollsera.app@gmail.com
Developer: DanFilea
Country: Romania

We will respond within 30 days.