Japan SIM card or eSIM: where to buy and what it costs
Where to buy a Japan SIM card at Narita, Haneda, Kansai or in town, prices checked on 3 Nov 2026, unlimited data options, and when an eSIM is simpler.
Travel guides
Trip to Japan blog
The Mobile Companion blog gathers practical guides for your trip to Japan from the UK, starting with how to stay online: eSIM, SIM card or pocket WiFi. Every guide is written by Thomas Grippaudo and shows when it was last updated.
All articlesInternet and eSIM
eSIM vs pocket WiFi in Japan: which one for your trip?
Pocket WiFi in Japan: rental prices from 4 companies checked on 3 Nov 2026, battery, pick-up and return, compared with an eSIM. See which fits your trip.
