eSIM FOR Japan

The Roamless Japan eSIM gets you online the moment you land. Leave your home carrier's expensive roaming switched off and skip renting a pocket WiFi device, with no second gadget to charge and hand back. Roaming plans give you little data for the money, and it's easy to overspend when you can't tell how much you'll use. Roamless gives you Japan data at honest rates instead. Whether you're in Japan for a 7-day trip, a two-week loop through Tokyo, Kyoto, and Osaka, or a longer stay, the same eSIM works from day 1 to day 30.

Three ways to pay, depending on how you travel:

• Pay as You Go. Top up your Balance once and only spend what you actually use. Your Credits never expire, and auto top-up means you're never left without data mid-trip. The easy pick for short trips and anyone who'd rather not commit upfront.
• Data Plan. A fixed amount of data for a set window, paid by card. Handy when you want a known cost, from a 3 GB or 5 GB plan valid for 30 days through to larger sizes.
• Unlimited Plan. One fixed price for the whole trip with nothing to track. You get 3GB a day at full speed, then the connection eases to 1Mbps until your allowance resets 24 hours later, still fine for maps, messaging, and calls, and any day you want full speed you can switch to your Credits. We show that daily amount and the slower speed up front, which is more than most "unlimited" eSIMs will tell you.

Neither one is ever throttled. Roamless runs at full speed the whole trip.

Coverage runs on tier-one Japanese carrier networks, currently KDDI and Softbank, so 5G holds across Tokyo, along the Shinkansen routes, and through most of the country. Local tip: data stays strong even underground on the Tokyo Metro and on the bullet train, but if you're hiking around Mount Fuji or the rural Kii Peninsula, save your maps offline first. Adding South Korea to the same trip? Stay on Pay as You Go and your Balance keeps you online there too, no setup on arrival. For fixed rates across the region, the Asia and Oceania Data Plan covers Japan, Korea, and more in one.

Setup takes minutes on any eSIM compatible iPhone or Android, and hotspot is included so you can tether your laptop or share with travel companions. Buy ahead without worry: your Balance or Data Plan only starts when the eSIM connects to a Japanese carrier. Before you fly, turn off data roaming on your home carrier's line, that's your existing SIM, not Roamless, so you're never double-charged.

New to Roamless? Your first 500 MB is on us. Try it before you commit.