
DriveNihon: License Conversion
Japan 外免切替 knowledge test
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Free
In-App Purchases
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About
Converting your foreign driver's license to a Japanese one (外免切替)?
Since 1 October 2025 the knowledge check (知識確認) uses a new format: 50 true/false questions in 30 minutes, and you need 45 correct. DriveNihon lets you practice exactly that format in English, with the original Japanese right underneath.
ANSWERS YOU CAN VERIFY
• Every question cites its basis: an article of the Road Traffic Act or a section of the Rules of the Road (交通の教則, 2026 edition)
• A report button on every question and a public correction log in the app
• Kept up to date with new rules, such as the 30 km/h limit on roads without a center line from September 2026
PRACTICE LIKE THE REAL TEST
• 50-question mock exams with a 30-minute timer, scored against the 45/50 pass mark
• Every exam covers all 12 topics, with results by topic
• Practice 12 topics with instant answers and explanations
• Review your mistakes and flag questions to revisit during an exam
ENGLISH AND JAPANESE SIDE BY SIDE
• Interface in English, Vietnamese and Japanese
• Show or hide the original Japanese to learn the wording used in the test
GET READY FOR THE DRIVING CHECK (技能確認)
• How it is scored, common point deductions, actions that end the test, a test-day checklist
• Based on National Police Agency guidelines
FREE
• A fixed 50-question sample exam (retake anytime), 50 practice questions, 5 trap questions, road sign library, 外免切替 procedure guide
PRO: ONE-TIME PURCHASE
• All 400 questions, a new mock exam every time (unlimited), mistake review, statistics and readiness based on your mock exams, driving check guide
• No subscription, no ads
PRIVATE
• No account, no ads, no data collection. Works offline; your progress stays on your device.
Note: DriveNihon is a practice tool, not official police material, and does not guarantee a pass. All questions are originally written from the law and the Rules of the Road; they are not real exam questions.
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What's New in DriveNihon
1.0.0
November 6, 2026
1
Subscriptions & In-App Purchases
$6.99
DriveNihon Pro
All 400 questions, new exams, stats. Buy once





