Ubigi
Ubigi — 10 GB / 30 days
- Data10 GB
- Valid30 days
- NetworkNTT docomo / KDDI · 5G
- HotspotYes
Your Japan trip, sorted
Set up an eSIM on the sofa before you fly. Switch it on as the plane doors open and your phone just works — maps, trains, translation, the lot.
See the plans Prices link to official provider pages
Ubigi
Airalo
Saily
Compare
How much data, how long it lasts, which network it rides on and what it actually costs — all in one table.
| Plan | Data | Valid | Network | From | Link |
|---|---|---|---|---|---|
| Ubigi — 10 GB / 30 days Ubigi Best value | 10 GB | 30 days | NTT docomo / KDDI · 5G | $16.50 | Check price |
| Airalo Moshi Moshi — 10 GB / 30 days Airalo Editor's pick | 10 GB | 30 days | SoftBank / KDDI (au) | $18.00 | Check price |
| Saily — 10 GB / 30 days Saily | 10 GB | 30 days | $17.99 | Check price | |
| Nomad — 10 GB / 30 days Nomad | 10 GB | 30 days | KDDI (au) / SoftBank | ¥2,526 | Check price |
| Airalo Moshi Moshi — Unlimited / 30 days Airalo Unlimited | Unlimited* | 30 days | SoftBank / KDDI (au) | $69.00 | Check price |
| Buyee — buy from Japanese sites that will not ship to you Buyee Auctions & Mercari | Open the shop | ||||
| TokyoTreat — Japan-only snacks, monthly TokyoTreat Monthly box | See this month's box | ||||
| Klook — tickets, tours and rail Klook Tickets & tours | Browse tickets | ||||
| Sakuraco — traditional sweets and tea Sakuraco Traditional | See this month's box | ||||
| ZenMarket — proxy shopping with a flat fee ZenMarket Flat fee | Open the shop |
Prices change often — always check the provider’s page for the current rate.
Before you fly
Data is sorted above. Here is the rest of the list — the stuff that is a pain once you have landed, and a five-minute job before you go. Prices live on the seller’s own page; we only point you there.
Rail passes, theme parks and the tickets that sell out weeks ahead.
Klook
KKday
Japan Rail Pass
A box of Japan on your doorstep — before the trip, or long after.
TokyoTreat
Sakuraco
Japan Candy Box
Buy from Japanese shops and auctions that will not ship abroad.
Buyee
ZenMarket
Practical
Money, trains, luggage, data and the small rules nobody tells you about until you break one.
Mount Fuji gets real 4G and 5G — but only in summer. Coverage by trail, Wi-Fi in the huts, and how to…
Driving in Japan: what licence you need, phone versus in-car navigation, how map codes work, and how ETC cards pay your expressway…
How to hand back your rented pocket WiFi in Japan — airport counters, drop boxes, the prepaid post envelope, deadlines and late-fee…
Which payment methods still work when your phone has no data in Japan — IC cards, bank cards, cash — and which…
Why hotel WiFi in Japan slows down at night, what ryokan really offer, the Mbps a video call needs, and how to…
Japan Wi-Fi auto-connect logs you into partner hotspots automatically. See which networks it really covers, which big names it misses, and its…