Question 1

What is the cheapest eSIM for Japan?

Accepted Answer

Plans start at $0.50 and the median price is $1.17/GB. For a 15-day trip, the cheapest works out to about $0.03 per travel day. Prices re-checked 5 min ago.

Question 2

When should I install an eSIM for Japan?

Accepted Answer

Install on reliable Wi-Fi within the provider's documented window. Some plans start validity at installation and others at first connection, so follow the selected plan's email rather than assuming.

Question 3

Are unlimited eSIM plans available for Japan?

Accepted Answer

Yes. 275 current plans are listed as unlimited. Read each network note for a daily high-speed allowance or throttle rule; “unlimited” is not automatically full speed all day.

Question 4

Can I use hotspot with an eSIM for Japan?

Accepted Answer

899 of 1545 plans allow hotspot/tethering — filter by “Hotspot / tethering” above. Plans that block it carry a “No hotspot” badge, and where a provider hasn't told us, we show “—” rather than guess.

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