Best eSIM for Japan in 2026

Japan has 18 MobiSIM eSIM plans, from €3.49. These are the best picks by what travellers need: the plan most people choose, the cheapest, and the best value for money.

Our picks for Japan

Most popular30 GB · 30 days€19.99€0.67/GBGet this plan
Cheapest3 GB · 7 days€3.49€1.16/GBGet this plan
Best value per GBBest for heavy use50 GB · 7 days€27.99€0.56/GBGet this plan
Best for a long stay50 GB · 30 days€29.99€0.60/GBGet this plan

All Japan plans compared

Data	Validity	Price	Per GB
3 GB	7 days	€3.49	€1.16
3 GB	15 days	€3.99	€1.33
3 GB	30 days	€4.49	€1.50
5 GB	7 days	€4.99	€1.00
5 GB	15 days	€5.49	€1.10
5 GB	30 days	€5.99	€1.20
10 GB	7 days	€6.99	€0.70
10 GB	15 days	€7.49	€0.75
10 GB	30 days	€7.99	€0.80
	7 days	€12.99	€0.65
	15 days	€13.49	€0.67
	30 days	€13.99	€0.70
	7 days	€18.99	€0.63
	15 days	€19.49	€0.65
	30 days	€19.99	€0.67
	7 days	€27.99	€0.56
	15 days	€28.99	€0.58
	30 days	€29.99	€0.60

How much data do you need in Japan?

Maps, messages and ride-hailing: About 0.3–0.5 GB a day. A 3–5 GB plan covers a week.
Social media, photos and the odd video call: About 1 GB a day. For a week away choose 5–10 GB.
Streaming, hotspot or working remotely: 2 GB a day or more. Choose 20 GB or above.

Networks in Japan

Your eSIM connects to local networks including KDDI and Softbank.

Japan eSIM questions

How much does an eSIM for Japan cost?: MobiSIM eSIM plans for Japan start at 3 GB · 7 days (€3.49) and go up to 50 GB · 30 days (€29.99). Prices are in euro and include instant delivery of the QR code.
Which is the best eSIM for Japan?: For most travellers: 30 GB · 30 days (€19.99). If price matters most, the cheapest is 3 GB · 7 days (€3.49); for the lowest price per GB choose 50 GB · 7 days (€27.99).
Will an eSIM for Japan work on my phone?: Any eSIM-compatible phone that isn't locked to one carrier works. Check yours on the compatible phones page before you buy.
How do I install an eSIM for Japan?: After you buy, open the QR code from your email or My eSIMs and scan it in your phone's settings. The install guide has the steps for iPhone and Android.

Before you buy

Check that your phone supports eSIM and is unlocked, then follow the install guide.

Compatible phones How to install an eSIM

All Japan plans compared

Data	Validity	Price	Per GB
3 GB	7 days	€3.49	€1.16
3 GB	15 days	€3.99	€1.33
3 GB	30 days	€4.49	€1.50
5 GB	7 days	€4.99	€1.00
5 GB	15 days	€5.49	€1.10
5 GB	30 days	€5.99	€1.20
10 GB	7 days	€6.99	€0.70
10 GB	15 days	€7.49	€0.75
10 GB	30 days	€7.99	€0.80
	7 days	€12.99	€0.65
	15 days	€13.49	€0.67
	30 days	€13.99	€0.70
	7 days	€18.99	€0.63
	15 days	€19.49	€0.65
	30 days	€19.99	€0.67
	7 days	€27.99	€0.56
	15 days	€28.99	€0.58
	30 days	€29.99	€0.60

Japan eSIM questions

How much does an eSIM for Japan cost?

MobiSIM eSIM plans for Japan start at 3 GB · 7 days (€3.49) and go up to 50 GB · 30 days (€29.99). Prices are in euro and include instant delivery of the QR code.

Which is the best eSIM for Japan?

For most travellers: 30 GB · 30 days (€19.99). If price matters most, the cheapest is 3 GB · 7 days (€3.49); for the lowest price per GB choose 50 GB · 7 days (€27.99).

Will an eSIM for Japan work on my phone?

Any eSIM-compatible phone that isn't locked to one carrier works. Check yours on the compatible phones page before you buy.

How do I install an eSIM for Japan?

After you buy, open the QR code from your email or My eSIMs and scan it in your phone's settings. The install guide has the steps for iPhone and Android.