Privacy Policy
Last updated: March 23, 2026
N-400 Prep (“we,” “our,” or “us”) is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and share information when you use our website and services.
Important: N-400 Prep is an independent educational tool. We are not affiliated with, endorsed by, or connected to USCIS, the Department of Homeland Security, or any U.S. government agency.
Information We Collect
Account Information
When you create an account, we collect your name, email address, and password (stored securely via Supabase authentication).
Usage Data
We collect information about how you use the service, including study progress, quiz scores, session duration, and feature interactions.
Voice Data
During mock interview sessions, voice audio is processed in real-time using Deepgram (speech-to-text) and ElevenLabs (text-to-speech) through LiveKit. Voice data is streamed for processing and is not permanently stored.
How We Use Your Information
- Provide and improve our educational services
- Track your study progress and generate readiness scores
- Power AI mock interview sessions (via Anthropic Claude)
- Send account-related communications
- Analyze usage patterns to improve the product
Third-Party Services
We use the following third-party services to operate N-400 Prep:
- Supabase — Authentication and database
- Anthropic (Claude) — AI-powered interview simulation
- LiveKit — Real-time voice communication
- Deepgram — Speech-to-text processing
- ElevenLabs — Text-to-speech voice generation
Each service has its own privacy policy. We encourage you to review them.
Cookies & Tracking
We use essential cookies to maintain your session and authentication state. We do not use third-party advertising cookies.
Data Retention
We retain your account and study progress data as long as your account is active. You may request deletion of your account and associated data at any time by contacting us.
Your Rights
For all users
You may access, correct, or delete your personal data by contacting us.
GDPR (European users)
You have the right to access, rectification, erasure, data portability, and to object to or restrict processing of your personal data.
CCPA (California residents)
You have the right to know what personal information we collect, request deletion, and opt out of the sale of personal information. We do not sell personal information.
Children's Privacy
N-400 Prep is not intended for children under 13. We do not knowingly collect personal information from children under 13.
Contact Us
If you have questions about this Privacy Policy, please contact us at our contact page.