eSIM.sm

eSIM.sm is an eSIM provider located in the smallest republic of the world: San Marino. Thanks to our partnerships, we can provide eSIM for all around the world at the cheapest prices. Our customer service is ready to assist you for every configuration issue you may have.

eSIM Japan

eSIM.sm eSIM Data Plans for Japan

1GB 7 days - Japan

1GB

Days

$5.70

$5.70/GB

3GB 30 days - Japan

3GB

Days

$9.40

$3.13/GB

5GB 30 days - Japan

5GB

Days

$13.80

$2.76/GB

10GB 30 days - Japan

10GB

Days

$20.50

$2.05/GB

20GB 30 days - Japan

20GB

Days

$38.70

$1.94/GB

Frequently Asked Questions

Does eSIM.sm offer unlimited data eSIM for Japan?

eSIM.sm does not provide an unlimited data eSIM plan for Japan. Travelers can choose from fixed‑data plans such as the 20GB 30 days plan priced at $38.70 USD or the 10GB 30 days plan priced at $20.50 USD. These options offer a large data allowance and can be more cost‑effective for most users unless extremely heavy data consumption is required.

Does eSIM.sm offer Japan eSIM with phone number and SMS?

eSIM.sm does not offer any Japan eSIM plans that provide a phone number or SMS capability. All Japan eSIMs sold by eSIM.sm are data‑only, so you will not receive inbound or outbound voice or text services. If you need to communicate while traveling, you can use VoIP applications such as WhatsApp, Telegram or iMessage over the data connection.

How many data plans does eSIM.sm offer for Japan?

eSIM.sm offers five single‑country plans for Japan, with no multi‑country options available. These plans range in price from $5.70 to $38.70 and include data caps between 1 GB and 20 GB, valid for 7 to 30 days; some of the plans allow tethering.

Summarized by Gen AI. Last updated: December 25, 2025