Zwitchy eSIM Data Plans for Japan

Zwitchy does not offer a genuinely unlimited data eSIM for Japan.
The plans labeled Japan · Unlimited provide 1GB of high‑speed data per day for the chosen validity period and then reduce speed to 1000 kbps; after the validity ends the plan stops offering high‑speed data.
If unrestricted high‑speed use is required, travelers can choose fixed‑data options, such as the Japan · 30 GB · 30 days plan for $54.50 USD or the Japan · 50 GB · 30 days plan for $86.50 USD, which give larger data allowances at a similar price point.

Zwitchy does not provide a Japan eSIM that includes a phone number or SMS capability. The provider offers only data‑only plans for Japan. Travelers who need to communicate while in Japan can use popular VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. However, some destinations may block or restrict access to certain VoIP services, so it is advisable to confirm that the required apps are available in Japan before making a purchase.

Zwitchy provides 15 single‑country data plans that cover Japan and 29 multi‑country plans that include Japan in their network. Some of the plans are fixed‑data bundles, giving users a set amount of data for the entire validity period, while others are daily‑data‑cap plans that reset each day, offering more flexibility for short‑term travel. Across the available options the price range spans roughly $3.50 to $140.00, and the data caps vary from 1 GB up to 50 GB.