Meet Jai
Plan Your Whole Japan Trip on Your Phone
あなたの日本旅行プランナー
Planning Japan shouldn't feel like homework. Pin your dream spots on an interactive map of Japan, turn them into a day-by-day itinerary, and carry the whole plan in your pocket — from first daydream to last day in Kyoto.
Everything In One App
富士山
Mt Fuji · Chureito Pagoda
the journey
日本の風景
The Japan Jai will show you
Japan the Way It Was Meant to Be
Not just a trip — an experience you'll talk about for years.
See the Real Japan
Skip the tourist traps. Discover local spots, quiet neighbourhoods, and little moments most visitors walk right past — all mapped out for you.
Your Dream Japan Trip
Pin your dream regions on the interactive map and shape a trip that fits you — ancient temples, mountain onsen, or street food at midnight.
Travel Like a Local
Learn train etiquette, dining customs, temple rules and neighbourhood secrets so you blend in and connect more deeply.
Learn Key Phrases
A little Japanese goes a long way. Pick up the phrases that genuinely open doors and make locals smile.
Your Trip in Your Pocket
Your itinerary, map pins, packing list and budget all live on your phone — at the airport, on the shinkansen, or wandering Kyoto at midnight.
Arrive Confident
No more pre-trip panic. With your itinerary built and every day mapped out, you land knowing exactly what comes next.
使い方
How It Works
Three simple steps from daydream to day-by-day plan
Get the App
Create your free account and add Jai to your home screen in seconds — it lives on your phone like any other app, on iPhone and Android.
Pin Your Dream Spots
Explore the interactive map of Japan region by region and pin every temple, city, mountain and bowl of ramen calling your name.
Build Your Itinerary
Turn your pins into a day-by-day plan with one-tap day templates, packing lists and a budget tracker. Land in Japan knowing exactly where you're going.
機能
Everything You Need
Made by people who can't stop going back to Japan
Itinerary Builder
New in v0.2Turn "someday" into day one, day two, day three. Build your trip with one-tap day templates, plus packing lists and a budget tracker so nothing slips through the cracks.
Interactive Japan Map
New in v0.2Explore Japan region by region on our brand-new map. Pin the places calling your name, flip between seasons to see when each one shines, and watch your dream route take shape.
Readiness Quiz
Eight quick questions, then a personal readiness report built around how you actually travel — not a generic checklist. It's the easiest first step, and it's free.
Ask Jai Anything
Stuck mid-plan? Ask about a shrine's story, what to order at an izakaya, or which train pass actually saves you money — and get answers like they came from a friend who lives there.
日本が待っている
Japan Is Waiting for You
Get the app, pin your dream spots on the map, and turn the trip you keep talking about into a day-by-day itinerary you actually take.
Get the App FreeFree on iPhone & Android · No credit card required