Roaming4You eSIM Data Plans for Japan

Roaming4You’s plans that contain the word “Unlimited” in their name do not provide a truly unlimited data allowance. Each of these plans has a hard cap of 1GB per day; once the 1GB limit is reached the speed is throttled to 1000kbps. For travelers who need more data at normal speeds, Roaming4You offers a range of fixed‑data plans that deliver larger bundles at a set price. For example, a 7‑day plan supplies 7GB of high‑speed data for $8.40 USD, a 30‑day plan gives 30GB for $36.00 USD, and a 90‑day plan provides 90GB for $108.00 USD. These fixed‑data plans give a larger amount of data before any speed reduction occurs and may be more cost‑effective for users who expect regular high‑speed use in Japan.

Roaming4You does not provide an eSIM plan for Japan that includes a local phone number or SMS capability. Travelers who purchase a Roaming4You eSIM for Japan will receive only a data‑only connection.

Users wishing to make calls or send messages can rely on VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. However, some destinations may restrict or block specific apps or VoIP services, so it is advisable to confirm that the apps you need are accessible in Japan before completing a purchase.

Roaming4You provides 22 single‑country data plans for Japan. There are no multi‑country plans available from this provider. Among the available plans, 21 are based on a daily data cap while a single plan offers a fixed data amount. All plans share a data cap of 1 GB, with prices ranging from about $1.20 to $360.00 USD depending on the chosen validity period.