Best N400 Apps & Games

250+ iOS apps & games curated and reviewed

4.6 avg rating
19 free apps & games
Updated October 2026

The best n400 apps and games on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top N400 Apps & Games (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1US Citizenship Test 2026 PlusUS Citizenship Test 2026 PlusFree4.8★ (104K)YesYesNov 2026
2N400 US Citizenship TestN400 US Citizenship TestFree5.0★ (1)NoYesMay 2026
3US Civics Test 2026US Civics Test 2026Free4.9★ (1.3K)NoYesOct 2026
4Citizen Now: US CitizenshipCitizen Now: US CitizenshipFree4.9★ (66K)YesYesNov 2026
5US Citizenship Interview N-400US Citizenship Interview N-400Free5.0★ (1)NoYesOct 2026
6USCIS: Civics Test Study ToolsUSCIS: Civics Test Study ToolsFree4.0★ (303)NoNoOct 2026
7US Citizenship Test PassUS Citizenship Test PassFree5.0★ (1)YesYesJul 2026
8U.S. Citizenship Test '26U.S. Citizenship Test '26Free4.8★ (11K)YesYesNov 2026

Top Picks for N400

US Citizenship Test 2026 Plus#1

US Citizenship Test 2026 Plus by Creator Factory LLC

USCIS Civics Test Study Guide
Editor's Choice
📚 Education
4.8😊(104K ratings)
FreeAdsIn-App Purchases
US Citizenship Test 2026 Plus screenshot 1
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US Citizenship Test 2026 Plus screenshot 6

Prepare for the US Citizenship Civics Test with flashcards, practice tests, and audio for all 100 official questions. Includes state-specific information and real-time updates on government officials. Aimed at helping applicants pass their naturalization interview.

What We Love

  • 👍 Helpful app for studying citizenship test
  • 🚀 Efficient flashcard and practice test features
  • 💡 Customizable for user's state and representatives
  • 🎉 Helped users pass the citizenship test

Room to Improve

  • 🐛 Audio playback issues for some users
  • 🔍 Occasional inaccuracies in question/answer content
  • 💰 Complaints about excessive ads
5.0(1 ratings)
FreeIn-App Purchases
N400 US Citizenship Test screenshot 1
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N400 US Citizenship Test screenshot 5
N400 US Citizenship Test screenshot 6

Practice for the US citizenship test with voice recognition and instant feedback. Simulate real test conditions or study at your own pace with adaptive learning and progress tracking. Covers all 100 official civics questions.

US Civics Test 2026#3

US Civics Test 2026 by Reev Tech Inc.

400+ Audio Questions and Guide
Worth Considering
🔍 Reference
4.9😊(1.3K ratings)
FreeIn-App Purchases
US Civics Test 2026 screenshot 1
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Prepare for your US citizenship test with over 400 audio questions and an official study guide. Master US history, government, and values through interactive lessons, quizzes, and flashcards. Track your progress and study offline anytime, anywhere.

What We Love

  • 👍 User-friendly
  • 💡 Versatile questions
  • 🚀 Convenient for studying
  • 👍 Helpful and informative
  • 👍 Easy to navigate
  • 👍 Great learning tool
  • 👍 Excellent resource
  • 👍 Comprehensive information

Room to Improve

  • 🐛 State-specific questions not supported
  • 🐛 Audio issues in certain chapters

More N400 apps to explore

FAQ about N400

What are the best n400 apps & games for iPhone?
US Citizenship Test 2026 Plus tops our n400 apps & games ranking as of October 2026, with a 4.8-star average from 104K App Store ratings, and it's free to download.
Yes — 19 of the top n400 apps & games we rank are free to download, including US Citizenship Test 2026 Plus and N400 US Citizenship Test.
US Citizenship Test 2026 Plus shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ n400 apps & games on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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