The Viasimo Japan eSIM is a prepaid data plan for travelling in Japan, delivered as a QR code by email before your trip. It needs no physical SIM, has no contract and no roaming charges, and covers destinations across the country including Tokyo, Osaka, Sapporo and Okinawa. You can install it in advance and connect to mobile data as soon as you land.

The Japan eSIM suits short city breaks, business trips and extended stays alike, with durations from a single day up to 180 days. Prices start from €1.00.

Available Plans

The Japan eSIM comes in a range of data amounts and validity periods.

Data Options

• 0.1 GB
• 0.5 GB
• 1 GB
• 2 GB
• 3 GB
• 5 GB
• 10 GB
• 20 GB
• 50 GB
• Unlimited data

Validity Options

• 1 Day
• 7 Days
• 15 Days
• 30 Days
• 180 Days

Which Plan Should You Choose?

• 1 to 7 days: short holidays, city breaks and business trips in Japan.
• 15 to 30 days: longer holidays or work assignments across multiple cities.
• 180 days: extended stays, repeat visits or long-term travel in Japan.

Smaller data plans suit maps, messaging and browsing; a larger or unlimited plan suits streaming, video calls and heavy use.

Good to Know

• Coverage: the Japan eSIM provides data in Japan, including Tokyo, Osaka, Fukuoka, Sapporo and Okinawa.
• Data range: plans run from 0.1 GB up to 50 GB, plus an unlimited data option.
• Validity periods: choose 1, 7, 15, 30 or 180 days, counting down once the plan is activated.
• Your phone number stays active: the Japan eSIM adds a data line, so your existing number keeps working for calls and texts through your primary SIM.
• No physical SIM needed: the QR code arrives by email as a one-off prepaid purchase.
• Quick setup: installation takes a few minutes, so you can connect on arrival in Japan.