Every year, a meaningful number of Japan-bound travelers make the same calculation: Japan has free WiFi at airports, train stations, temples, and convenience stores, so maybe a dedicated data plan isn’t necessary. They arrive at Narita or Haneda, connect to the airport WiFi, and feel justified in their decision. Then they board the Narita Express,
Two connectivity options dominate almost every “how to get online in Japan” search: eSIMs and pocket WiFi routers. Both solve the same basic problem — keeping your maps, translation apps, and messages working while you travel — but they solve it in very different ways, with different costs, setup steps, and trade-offs. If you’re weighing