Settle mobile data first so airport routing and hotel contact do not depend on airport Wi-Fi.
Japan eSIM, Welcome Suica, and Tokyo Subway Ticket guides
Broad guides for Japan eSIM, Welcome Suica, Tokyo Subway Ticket, and the comparison paths that connect them.
Best when you are deciding mobile data, IC cards, and subway passes before buying the wrong product.
Open the broad guide that sounds most like your trip
Use this section to settle mobile data first, then choose the transport product that fits the actual Tokyo trip instead of buying the wrong pass too early.
Use Welcome Suica as the flexible transport default while your hotel area and daily routes are still moving.
Test Tokyo Subway Ticket only after the trip is compact and subway-heavy enough to justify a route-limited pass.
Use the narrower guides after the main choice is settled
These pages are still useful, but they work best as follow-up comparisons, edge-case answers, or conversion-support reading.
How should pass guides be framed?
They should compare who benefits, who should skip the pass, and what simpler alternative exists.
Is the goal to rank products?
No. The goal is to reduce bad purchases by matching the pass to the itinerary.