Privacy Policy

Last updated: February 28, 2026

Overview

Native Tongues ("we", "our", "us") is a language learning platform. We respect your privacy and are committed to protecting your personal data. This policy explains how we collect, use, and safeguard your information.

Information We Collect

We collect the following information when you create an account:

Email address — used for account identification, login, and transactional emails (password resets, activation codes)
PIN — stored as a one-way cryptographic hash (bcrypt); we never store or see your actual PIN
Learning progress — bootcamp session completions, story reading progress, and language preferences
Payment status — whether your account has an active paid subscription (we do not store credit card numbers; payments are processed by Stripe)

How We Use Your Information

To provide and maintain the language learning service
To sync your learning progress across devices
To send transactional emails (PIN resets, activation codes)
To determine your access level (free or paid tier)

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

Third-Party Services

We use the following third-party services:

Stripe — for payment processing. Stripe's privacy policy applies to payment data: stripe.com/privacy
Gmail SMTP — for sending transactional emails

Data Storage and Security

Your data is stored on secure servers
PINs are hashed using bcrypt (industry standard)
All connections use HTTPS encryption
Authentication tokens (JWT) expire after 30 days
Rate limiting protects against brute-force attempts

Your Rights

You have the right to:

Access the personal data we hold about you
Request correction of inaccurate data
Request deletion of your account and associated data
Export your learning progress data

To exercise any of these rights, contact us at nativetonguesapp@gmail.com.

Cookies and Local Storage

We use browser localStorage to persist your authentication token and learning preferences. We do not use tracking cookies or third-party analytics.

Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13.

Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.

Contact

For questions about this privacy policy, contact us at nativetonguesapp@gmail.com.