Skip to content

Connectivity

eSIM plans for Japan, compared

Every plan we have tested, with the data allowance, the network it runs on and what it actually costs. Install before you fly and you will be online before you clear immigration.

Disclosure Some links on this page are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. It never changes what we recommend.

Plan Data Valid Network From Link
10 GB 30 days NTT docomo / KDDI / SoftBank · 5G $16.50 Check price
10 GB 30 days SoftBank / KDDI (au) / Rakuten · 5G $18.00 Check price
10 GB 30 days KDDI / SoftBank and others · 5G where available $17.99 Check price
10 GB 30 days KDDI (au) / SoftBank $16 Check price
Unlimited* 30 days SoftBank / KDDI (au) / Rakuten · 5G $69.00 Check price
See this month's box
Open the shop
Browse tickets
See this month's box
Open the shop
Browse tickets
See this month's box
See the official rules

Prices checked on each provider’s page on 28 Oct 2026. They change often — always check the provider’s page for the current rate.

In detail

Best value

Ubigi

Ubigi — 10 GB / 30 days

4.5
  • Data10 GB
  • Valid30 days
  • NetworkNTT docomo / KDDI / SoftBank · 5G
  • HotspotYes
  • 5G on NTT docomo / KDDI
  • Data sharing (hotspot) allowed
  • Strong price per GB
  • App is functional but basic
  • No phone number (data only)

$16.50 Checked 28 Oct 2026 — see provider page for the current price

Check price
Editor's pick

Airalo

Airalo Moshi Moshi — 10 GB / 30 days

4.5
  • Data10 GB
  • Valid30 days
  • NetworkSoftBank / KDDI (au) / Rakuten · 5G
  • 30-day validity fits longer trips
  • Easy top-ups in the app
  • Most widely used travel eSIM brand
  • Not the cheapest per GB
  • Support is chat-based only

$18.00 Checked 28 Oct 2026 — see provider page for the current price

Check price

Saily

Saily — 10 GB / 30 days

4.0
  • Data10 GB
  • Valid30 days
  • NetworkKDDI / SoftBank and others · 5G where available
  • Backed by Nord Security (NordVPN)
  • Entry plans from $3.99 (1 GB)
  • Easy top-ups in the app
  • Unlimited tier is pricey ($71.99 / 30 days)
  • Unlimited slows to 1 Mbps after 5 GB a day

$17.99 Checked 28 Oct 2026 — see provider page for the current price

Check price

Nomad

Nomad — 10 GB / 30 days

4.0
  • Data10 GB
  • Valid30 days
  • NetworkKDDI (au) / SoftBank
  • HotspotYes
  • Hotspot / tethering supported
  • Wide range of plan sizes (1–50 GB)
  • Uses KDDI and SoftBank networks
  • Prices and currency vary by store region
  • App required for top-ups

$16 Sale price (regular $18). Currency can differ by store region. Checked 28 Oct 2026

Check price
Unlimited

Airalo

Airalo Moshi Moshi — Unlimited / 30 days

4.0
  • DataUnlimited*
  • Valid30 days
  • NetworkSoftBank / KDDI (au) / Rakuten · 5G
  • No data anxiety for a whole month
  • 3 GB at full speed every day
  • Throttled to 1 Mbps after the daily 3 GB
  • Costs more than two 20 GB plans

$69.00 *3 GB/day at full speed, then 1 Mbps. Checked 28 Oct 2026

Check price
Monthly box

TokyoTreat

TokyoTreat — Japan-only snacks, monthly

  • In the boxJapan-exclusive snacks, a drink and a snack guide
  • Ships toWorldwide
  • PlanMonthly, a new theme each time
  • Flavours that never leave Japan — seasonal KitKats and the rest
  • A new theme every month, so it does not get samey
  • Comes with a booklet explaining what you are eating
  • It is a subscription, not a one-off
  • Snack-led, so lighter on traditional sweets
Auctions & Mercari

Buyee

Buyee — buy from Japanese sites that will not ship to you

  • Buy fromYahoo! Auctions, Mercari, Rakuten, Amazon.co.jp and more
  • Ships toWorldwide
  • You payItem price + service fee + international shipping
  • Reaches the Japan-only listings that never ship abroad
  • Combines several orders into one parcel to save on postage
  • The whole flow is in English
  • Fees stack on top of the item price
  • Second-hand condition notes are written by Japanese sellers
Tickets & tours

Klook

Klook — tickets, tours and rail

  • Good forTheme parks, day trips, rail passes
  • BookingInstant e-tickets to your phone
  • LanguagesEnglish and more
  • Most things book straight to your phone — no printing
  • Covers the attractions that sell out weeks ahead
  • One account for the whole trip
  • Prices move around, so compare before you commit
  • Some tickets cannot be cancelled once booked
Traditional

Sakuraco

Sakuraco — traditional sweets and tea

  • In the box20 Japanese sweets, a tea pairing and a home-goods item
  • Ships toWorldwide
  • PlanMonthly, a new theme each time
  • Made by local and family-run makers, not big brands
  • You get ceramics or chopsticks too, not only food
  • Every box comes with a culture guide
  • It is a subscription, not a one-off
  • Traditional sweets, so fewer names you will recognise
Flat fee

ZenMarket

ZenMarket — proxy shopping with a flat fee

  • Buy fromJapanese shops, auctions and marketplaces
  • Ships toWorldwide
  • You payItem price + service fee + international shipping
  • Flat service fee per item, so the maths is easy
  • Stores your buys and posts them together
  • Fees differ by marketplace — check before you bid
  • Storage is free only for a limited window
Tickets & tours

KKday

KKday — tickets and experiences

  • Good forExperiences, transfers, day tours
  • BookingE-tickets and vouchers
  • LanguagesEnglish and more
  • Strong on smaller, local experiences
  • Often lists things Klook does not
  • Fewer reviews on the niche listings
  • Cancellation rules vary by seller
Candy only

Japan Candy Box

Japan Candy Box — sweets only

  • In the boxJapanese candy and chocolate
  • Ships toWorldwide
  • PlanMonthly
  • Pure sweets — nothing savoury sneaks in
  • Simple pick if candy is the whole point
  • Smaller than the snack-and-culture boxes
  • No tea or homeware
Rail pass

Japan Rail Pass

Japan Rail Pass — the official site

  • Good forLong trips across several cities
  • Who can buyVisitors on a temporary-visitor stay
  • WhereOfficial JR site
  • The rules straight from JR, not a reseller
  • Worth checking before you buy anywhere else
  • Only pays off if you are covering real distance
  • Not valid on every train — check the exclusions
More Japan guides from Novamor: Golf in Japan (clubs, courses and golf trips in Japan) · Hire in Japan (hiring and EOR in Japan, explained) · Wedding in Japan (photo weddings and elopements in Japan)