App Privacy Policy

Last Updated: February 10, 2026

The Four Languages mobile application is operated by Innovation Distributed OÜ ("we", "us", "our"), a company registered in Estonia (registry code 16434657). This Privacy Policy explains how we collect, use, and protect your information when you use our app.

1. Information We Collect

Information You Provide

Voice Recordings

When you use voice input:

• Audio is recorded temporarily and sent to AssemblyAI for transcription
• Audio is not permanently stored after transcription
• Only the text transcription is saved to your account

What We Don't Collect

• Device identifiers or advertising IDs
• Location data
• Contacts or photos
• Health data
• Financial information

2. How We Use Your Information

• Provide personalized practices based on your scan
• Track your daily progress and calculate streaks
• Generate AI-powered growth insights
• Send notifications (if you enable them)
• Improve the app experience

3. Third-Party Services

We use the following services to provide the app:

4. Data Security

• All data is encrypted in transit (TLS/SSL)
• Database is encrypted at rest
• Row Level Security ensures you can only access your own data
• API keys are stored securely and never exposed

5. Your Rights

You have the right to:

• Access your data - request a copy of what we store
• Correct your data - update your information in the app
• Delete your data - delete your account and all associated data
• Export your data - receive your data in a portable format

6. Data Retention

We keep your data as long as you have an account. When you delete your account:

• All personal data is permanently deleted within 30 days
• Anonymized, aggregate statistics may be retained for service improvement

7. Children's Privacy

The app is not intended for children under 16. We do not knowingly collect personal information from children under 16.

8. Changes to This Policy

We may update this policy from time to time. We will notify you of significant changes through the app or by email.