Vixxi Civics
Walk into your citizenship interview confident.
Master the U.S. citizenship test with 42 study tools, games, audio, and community features.
Starring Vixxi, the curious explorer
Vixxi Civics is the most comprehensive study companion for the U.S. naturalization (citizenship) test — packed with 42 features to help you prepare with confidence.
Features
Study & Practice
- Comprehensive Study Materials
Both the new 128-question and original 100-question USCIS civics tests with detailed explanations and audio support
- Smart Review (SRS)
Spaced repetition system that prioritizes the questions you struggle with most
- Interactive Flashcards
Master questions with an interactive flashcard system for quick review and memorization
- Mock Exam System
Realistic mock exams that simulate actual test conditions with timing and scoring
- Timed Challenge
Race against the clock to test speed and accuracy under pressure
- Listen & Type
Hear a civics question read aloud and type the answer for listening comprehension practice
- Reading & Writing Practice
Practice USCIS English reading and writing test sections with official vocabulary and sentences
- Civic Glossary
Look up key civics terms and concepts with clear definitions
- Hardest Questions
Study the questions most users struggle with, ranked by community difficulty data
Interview Preparation
- Full Interview Simulation
Complete naturalization interview from start to finish — civics, reading, writing, and N-400 questions
- N-400 Interview Practice
Prepare with real N-400 form questions and tips for answering confidently
- AI Interview Practice
Conversational AI-powered interview practice with real-time feedback
Games & Engagement
- Match Game
Memory-matching game that pairs civics questions with their correct answers
- Civic Wordle
Guess the civic vocabulary term in 6 tries, Wordle-style — hard mode, streaks, stats tracking
- Civic Connections
Find 4 hidden groups of 4 from 16 shuffled tiles — daily server-curated puzzles and random mode
- Daily Challenge & Streaks
Daily question set to build a study streak with badges and progress milestones
- Millionaire v2
Server-backed escalating quiz with AI-generated questions, 3 difficulty tiers, Ask AI lifeline, daily mode, and global leaderboard
- Who Am I? v2
Server-backed progressive clue guessing game. 6 rounds × 4 clues (hardest→easiest), free-text answers with fuzzy matching. Daily + random modes, cumulative leaderboard
Audio & Learning
- Audio Learning
Background playback, downloadable audio packs, and text-to-speech fallback
- Multi-Language Support
Study in English, Spanish, Vietnamese, or Chinese with audio and fully localized content
Hubs & Navigation
- Study Hub
Consolidated hub for all study tools: Study Plan, Study Questions, Smart Review, Flashcards, Audio, Hardest Questions, Timeline
- Practice Hub
Consolidated hub for all practice & test tools: Quick 5, Mock Exam, N-400 Interview, Full Interview, AI Conversation, Listen & Type, Mistake Journal
- English Hub
Consolidated hub for English skills: Reading Practice, Writing Practice, N-400 Vocabulary, Civic Glossary
- Prepare Hub
Consolidated hub for interview preparation: Study Plan, Exam Day Checklist, What's on the Test, AI Tutor
Personalization & Progress
- Personalized Representatives
Auto-detected Senators, House Rep, Governor, and other officials based on location
- Progress Tracking
Detailed progress statistics, mastery levels, and study streak history
- Interview Countdown
Set your interview date and get a countdown timer with smart notifications
- Study Reminders
Custom daily reminders to keep your study habit consistent
- Customizable Settings
Flexible audio, language, exam type, and study preferences
- Notification Center
View and manage all app notifications in one place with tap-to-navigate and dismiss
- Dark Mode
Light/Dark/System theme preference with 4 color variants
Community & Competition
- Global Leaderboard
Submit Timed Challenge scores and compete with learners worldwide
- Community Tips
Share and discover memory tricks from other test-takers with upvoting
- Community Q&A
Ask questions, share tips, and discuss with test-takers across all languages with auto-translation and AI moderation
- Percentile Rankings
See how your mock exam scores compare to all other users
- Achievement Board
Compete on a global leaderboard of trophy collections with rarity stats for each achievement
- Weekly Insights
Personalized study insights comparing your progress to community averages
Smart Updates & Privacy
- Dynamic Content Updates
Officials, questions, and audio updated over-the-air — no app update needed
- Officials Auto-Update
Auto-checks for Congress member changes and downloads updated data and audio
- Privacy First
Anonymous analytics enabled by default (opt-out) with no device IDs or PII — all study data stays on-device
- Analytics Opt-Out
Anonymous analytics with opt-out toggle. No device IDs — ephemeral session UUID only
Prepare for your U.S. citizenship test with confidence. Download Vixxi Civics today and take the first step toward becoming a U.S. citizen!
What's new in 1.3.18
April 15, 2026
Improved OTA data sync, bundled officials data for all U.S. territories, and admin analytics dashboard.
Improvements
- Improved OTA manifest flow with better fallback to bundled data
- Bundled officials data now includes all U.S. territories
- Fixed OTA bundle fallback edge case
- Comprehensive test coverage for officials data and temp file cleanup
Earlier versions (9)
Version 1.3.16April 12, 2026
A sweeping visual refresh across 20+ screens with modern card layouts, consistent spacing, and polished typography.
Modern UI Redesign
- Home, Study Hub, Practice Hub, and Interview Prep Hub modernized with consistent card styling
- Games Hub, leaderboards, and achievement rankings redesigned with improved readability
- Full Interview Simulation, AI Conversation, and Ask AI pages refreshed
- Settings, location selection, and federal/state officials pages updated
- Community page and Community Q&A redesigned
- Smart Review (SRS) and Flashcard screens modernized
- Mistakes Review, Weekly Insight, and analytics screens redesigned for clarity
- About page and Changelog screens modernized
Bug Fixes
- Fixed notification emoji rendering across platforms
- Fixed writing practice autoplay issue
- Fixed game auto-submit behavior
- Fixed analytics UUID consistency
Version 1.3.15April 8, 2026
Major feature release adding Dark Mode, consolidated navigation hubs, and an upgraded Millionaire game.
Dark Mode
- Light, Dark, or System theme preference
- 4 color variants (normal, dark, high-contrast, dark-high-contrast)
- Reduces eye strain for night study sessions
Study Hub & 🎯 Practice Hub
- All study tools consolidated into one hub: Questions, Smart Review, Flashcards, Audio, Glossary, Timeline, AI Tutor
- All practice tools in one hub — Mock Exam, Quick 5, Interview Sim, AI Conversation, Study Plan
Millionaire v2
- Server-backed escalating quiz with AI-generated questions
- 3 difficulty tiers (Medium/Hard/Ultimate)
- Ask AI audience lifeline, daily challenge mode, and global leaderboard
AI Interview Enhancements
- AI officer now asks vocabulary comprehension questions — just like real USCIS officers
- English Comprehension feedback at the end of each session
- Redesigned Hardest Questions with inline answers, difficulty filters, and flashcard integration
Version 1.3.14April 4, 2026
Introducing AI-powered mock USCIS officer interview practice with real voice interaction.
AI Conversation Practice
- Practice with an AI-powered mock USCIS officer with real voice interaction
- Session History — review past AI conversations with full transcripts and TTS playback
- Enhanced share cards for social media sharing
- Improved AI officer prompt for more realistic interactions
- AI officers now use real USCIS officer photo styles
- AI audio response improvements
Improvements
- Daily game PST-based expiration for consistent daily reset timing
- Improved AI scoring accuracy
- Fixed AI conversation getting stuck on certain responses
Version 1.3.13April 3, 2026
The biggest single feature release — introducing a Games Hub with 12 study games and puzzles.
Games Hub — 12 Study Games
- Civic Connections — NYT Connections-style: find 4 hidden groups of 4 from 16 tiles, daily and random modes
- Civic Wordle — guess the civic term in 6 tries with daily/practice modes, stats, and leaderboard
- Fill-in-the-Blank — complete answers by picking the missing keyword
- True or False Blitz — 60-second rapid-fire fact checking
- Category Sort — sort civic items into correct groups with drag-and-drop
- Who Am I? — reverse quiz: guess the question from the answer clue
- Civic Jeopardy — category board with point values, daily rotating boards
- Word Scramble — unscramble letters to form civic vocabulary terms
- Timeline Race — order historical events chronologically with drag-and-drop
- Streak Survivor — endless mode where one wrong answer ends the game
- Civic Crossword — mini crossword with localized clues and hint system
- Millionaire — 15 escalating questions with 50:50, Skip, and Hint lifelines
Game Features
- Global leaderboards for all mini-games
- Difficulty scaling using SRS and community data
- Daily rotating puzzles for Crossword and Jeopardy
- Rankings button for quick leaderboard access
Analytics Opt-Out
- Anonymous analytics enabled by default with opt-out toggle
- No device IDs — ephemeral session UUID only
Version 1.3.12March 28, 2026
Major community and competition update with difficulty rankings, achievement boards, and auto-updating officials.
Community & Competition
- Community Difficulty Badges — see how hard each question is based on real user data
- Hardest Questions study mode — focus on questions most users struggle with
- Mock Exam Percentile Rankings — compare your scores to all users
- Global Achievement Board — compete on trophy collections with rarity stats
- Server-Curated Daily Challenges — themed questions based on trending difficulty
- Personalized Weekly Insights — study stats vs. community averages
- Permanent Nicknames — locked once set, used across all leaderboards and community
Officials Auto-Update
- Automatically checks for Congress member changes and downloads updated data and audio
- No app update required for official roster changes
Platform
- Pinned Posts — admins can pin important community posts
- Notification Center — view, manage, and navigate from all in-app notifications
- Markdown formatting in community posts
- Achievement notification tap-to-navigate
- Hidden feature flag mode for disabled features
Version 1.3.9March 23, 2026
Introducing over-the-air content updates and community-powered learning.
Dynamic Content Updates
- Officials, questions, and audio can now be updated without a full app update
- Content Updates screen in Settings to check for and download latest data
Community Tips
- Share and discover memory tricks from other test-takers on every flashcard
- Upvoting system to surface the best tips
Platform
- Remote feature flags — features can be toggled remotely for faster updates and safety
- Leaderboard profanity filter — offensive nicknames are now blocked
Version 1.3.7March 15, 2026
Practice the complete naturalization interview experience with new study tools.
Full Interview Simulation
- Complete naturalization interview from greeting to citizenship test
- Covers civics, reading, writing, and N-400 questions in one session
Interview Date Countdown
- Set your interview date and get a countdown timer with smart reminders
Civic Glossary
- Browse civic terms with definitions, examples, and related questions
Listen & Type
- Hear questions read aloud and type your answers to test listening comprehension
Share Results
- Share your mock exam scores and study streaks with friends
Version 1.3.0March 2, 2026
Now supports both the new 128-question and original 100-question USCIS civics exams.
Original 100-Question Exam
- Full support for the original civics exam for applicants who filed N-400 before October 20, 2025
- Exam version selection during onboarding — auto-detects your application date
- Switch between Original (100 questions) and New (128 questions) in Settings
- All features work with both exam types — SRS, flashcards, mock exams, audio, and progress tracking
Version 1.0.0January 24, 2026
Welcome to Vixxi Civics! The most comprehensive mobile study app for the U.S. citizenship test — packed with 32 features.
✨ 32 Features
Study & Practice
- Comprehensive Study Materials — New 128-question and original 100-question USCIS civics tests with explanations and audio
- Smart Review (SRS) — Spaced repetition that prioritizes the questions you struggle with most
- Interactive Flashcards — Quick review and memorization with an interactive flashcard system
- Mock Exam System — Realistic exams simulating actual test conditions with timing and scoring
- Timed Challenge — Race against the clock to test speed and accuracy under pressure
- Listen & Type — Hear a question read aloud and type the answer for listening comprehension
- Reading & Writing Practice — USCIS English reading and writing sections with official vocabulary
- Civic Glossary — Key civics terms and concepts with clear definitions
- Hardest Questions — Questions most users struggle with, ranked by community difficulty data
Interview Preparation
- Full Interview Simulation — Complete naturalization interview from start to finish
- N-400 Interview Practice — Real N-400 form questions and tips for answering confidently
Games & Engagement
- Match Game — Memory-matching game pairing civics questions with correct answers
- Civic Wordle — Guess the civic vocabulary term in 6 tries, Wordle-style with streaks and stats
- Civic Connections — Find 4 hidden groups of 4 from 16 shuffled tiles — daily and random mode
- Daily Challenge & Streaks — Daily question set with badges and progress milestones
Audio & Learning
- Audio Learning — Background playback, downloadable audio packs, and text-to-speech fallback
- Multi-Language Support — English, Spanish, Vietnamese, or Chinese with audio and localized content
Personalization & Progress
- Personalized Representatives — Auto-detected Senators, House Rep, Governor based on location
- Progress Tracking — Detailed statistics, mastery levels, and study streak history
- Interview Countdown — Set your interview date with countdown timer and smart notifications
- Study Reminders — Custom daily reminders to keep your study habit consistent
- Customizable Settings — Flexible audio, language, exam type, and study preferences
- Notification Center — Manage all app notifications with tap-to-navigate and dismiss
Community & Competition
- Global Leaderboard — Submit Timed Challenge scores and compete worldwide
- Community Tips — Share and discover memory tricks with upvoting
- Community Q&A — Ask questions and discuss across all languages with auto-translation and AI moderation
- Percentile Rankings — Compare mock exam scores to all other users
- Achievement Board — Global leaderboard of trophy collections with rarity stats
- Weekly Insights — Personalized study insights vs. community averages
Smart Updates & Privacy
- Dynamic Content Updates — Officials, questions, and audio updated over-the-air
- Officials Auto-Update — Auto-checks for Congress member changes with updated data and audio
- Privacy First — All data stays on-device — no third-party sharing
📝 App Store Submission Notes
