Oops! Japan
Don't Get Embarrassed in Japan
Only for iPhone
$4.99 · Designed for iPhone. Not verified for macOS.
iPhone
Master Japanese etiquette before your trip! Learn essential cultural tips about trains, restaurants, onsen, etc. Avoid embarrassing moments with our easy-to-read cards.
AVOID CULTURAL FAUX PAS IN JAPAN
Planning a trip to Japan? Don't let cultural mistakes ruin your experience. Oops!
Japan is your pocket guide to navigating Japanese etiquette with confidence.
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77 ESSENTIAL CULTURAL TIPS
Each tip includes:
- What NOT to do (avoid embarrassment)
- What TO do instead (local-approved)
- Why it matters (cultural context)
- Useful Japanese phrases
- Quiz to test your knowledge
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6 KEY CATEGORIES
TRANSIT
Master train etiquette, queue rules, and escalator customs
RESTAURANTS
Tipping taboos, chopstick rules, ordering basics
ONSEN
Hot spring bathing rules and tattoo policies
SHRINES
Temple manners and worship etiquette
SHOPPING
Payment customs and store behavior
STREETS
Walking rules and public manners
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CULTURAL ALERTS
Some mistakes are worse than others. Our danger rating system highlights:
LANDMINE - Serious faux pas (must know!)
RISKY - Could cause offense
SAFE - Good to know tips
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LEARN WITH QUIZZES
Test your cultural knowledge with scenario-based quizzes. Get instant feedback
and explanations.
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WORKS OFFLINE
Download once, use anywhere. No internet needed - perfect for travel.
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Whether you're a first-time visitor or a Japan enthusiast, Oops! Japan helps you
show respect and avoid awkward moments.
Download now and travel Japan with confidence!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.1.0
• New onboarding experience for first-time users
• Home screen now displays all cultural tips in random order
• Added color-coded cards: Red (Taboo), Yellow (Caution), Blue (Good to Know)
• Improved card color distinction for better readability
• Updated UI text and translations across 11 languages
The developer, RYOTA KOKUBU, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- RYOTA KOKUBU
- Size
- 37.1 MB
- Category
- Travel
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Ryota Kokubu
