US Citizenship Test - N400Pass

Prepare for your U.S. citizenship test and naturalization interview with N400Pass — a focused study app designed to help you practice civics questions, review N-400 interview topics, track progress, and feel confident before interview day.

Study civics questions based on official USCIS study materials, practice with audio, take quick tests, review weak topics, and prepare for the English reading and writing portion of the interview. N400Pass supports both the 2008 and 2025 citizenship test versions, so you can study the version that applies to you.

N400Pass is an independent educational app and is not affiliated with, endorsed by, or sponsored by USCIS or any U.S. government agency.

PRACTICE & TESTING
• Take quick tests with pass/fail scoring
• Practice realistic mock interview sessions
• Review every test with question-by-question breakdowns
• Track your readiness score and Strength Map by topic
• Get smart improvement tips based on weak areas

STUDY TOOLS
• Civics question banks for both the 2008 and 2025 test versions
• Clear audio pronunciation for every question
• Flashcards and topic-based flashcard decks
• Save and bookmark questions for later review
• Study by topic to focus on specific areas

ENGLISH & N-400 PREP
• Practice English reading and writing sentences
• Learn important N-400 vocabulary
• Review N-400 interview strategy with the Expert Playbook

PERSONALIZATION
• Save your state information (governor, senators, representative)
• Track progress separately for the 2008 and 2025 test versions
• Light and dark mode support

WHY N400Pass
N400Pass is designed for real preparation, not random memorization. The app helps you understand where you are strong, where you need more practice, and what to study next.

Whether you are just starting or getting close to your interview date, N400Pass gives you a clear path to practice with confidence.

UPGRADE TO PRO
Unlock the full N400Pass experience with complete access to the question bank, full practice tools, additional tests, more mock interviews, full English practice, and advanced review features.

Study content is based on publicly available USCIS study materials covering both the 2008 and 2025 test versions.

Download N400Pass today and prepare for your U.S. citizenship test and interview with confidence.

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