Migliore eSIM per Japan (2026)

Cosa rende ottima un'eSIM per Japan?

Tre cose sono più importanti quando si sceglie un'eSIM per Japan: copertura (dovrebbe connettersi a una rete locale di primo livello come NTT Docomo o SoftBank), velocità (5G dove disponibile, 4G/LTE altrove), e prezzo a GB in una valuta che comprenda. Desidera inoltre una consegna istantanea e la possibilità di ricaricare senza reinstallare.

How we judge a Japan eSIM

Every destination gets measured the same four ways. Here is what each one means for Japan specifically.

• Coverage An eSIM is only as good as the network underneath it. In Japan that means roaming onto NTT Docomo e SoftBank, which is what decides whether you still have a signal outside the city centre, on the train, and in the places worth travelling to.
• Speed Japan has broad 5G in the main urban areas, with 4G/LTE filling in everywhere else. In practice that is enough for maps, ride-hailing, video calls and streaming without thinking about it.
• Price per GB Headline prices flatter small plans. A EUR 5.00 starter looks cheap until you divide it by the data you get. The number that matters is cost per gigabyte, and on larger Japan bundles that falls to about EUR 2.35.
• Flexibility Trips change. You want to top up without reinstalling a profile, share data to a laptop over hotspot, and know what happens when the plan runs out. A plan you cannot extend is a plan you will replace mid-trip.

Where a Japan eSIM actually works

Coverage in Japan is strongest across Tokyo, Kyoto, Osaka, Hiroshima and the routes between them, which is where most itineraries spend their time. Tokyo is well served on NTT Docomo o SoftBank. Rural and coastal areas fall back to 4G/LTE, so treat offline maps as sensible insurance rather than a workaround for a weak plan.

Come SimFuse si confronta per Japan

L'eSIM SimFuse Japan si connette a NTT Docomo e SoftBank per una copertura ampia in Tokyo, Kyoto, Osaka, Hiroshima e oltre. I piani partono da EUR 5.00 e scendono fino a soli EUR 2.35 per GB su pacchetti più grandi - con prezzi in euro trasparenti, consegna QR istantanea, supporto hotspot e una garanzia di rimborso. Si installa prima di volare e si è già connessi all'arrivo.

Which Japan plan fits your trip

• A long weekend Maps, messaging, the occasional upload. A small plan covers a few days in Japan comfortably if you are on Wi-Fi at night.
• One to two weeks The common case. Enough headroom for daily navigation, photo backups and video calls home without rationing.
• A long stay, or working remotely Tethering a laptop changes the maths entirely. Go for a larger bundle: the per-GB price drops sharply and you stop topping up every few days.

Before you buy

• Check your phone supports eSIM and is carrier-unlocked. Most handsets from the last few years are.
• Install while you still have Wi-Fi, ideally before you fly. The profile activates when you reach Japan.
• Your usual number stays on your normal SIM, so calls and texts still reach you. The eSIM only carries data.
• You can top up mid-trip from the app without reinstalling anything.

Piani eSIM Japan e prezzi

Indicativo Piani dati eSIM Japan - scegli i dati di cui ha bisogno e ricarica in qualsiasi momento dall'app: