TraveleSIM.CH eSIM Data Plans for Japan

TraveleSIM.CH does not offer an unlimited data eSIM plan for Japan. The available plans for Japan provide fixed data allowances. For example, a 50GB plan valid for 30 days costs $23.03 USD, and a similar 50GB plan with a longer 180‑day validity is priced at $36.47 USD. These plans typically use 5G networks within Japan. If a traveler does not need an unlimited data plan, choosing a fixed data plan like the 50GB options can be more cost‑effective unless the user is an exceptionally heavy data consumer.

TraveleSIM.CH does not provide a phone number or SMS capability for its Japan eSIM plans; only data‑only subscriptions are available. Travelers who need voice or text services can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection, though the accessibility of these apps can vary and some destinations may block or restrict certain services. It is advisable to confirm that the applications required for communication are usable in Japan before purchasing a plan.

TraveleSIM.CH provides 21 single‑country data plans and 40 multi‑country plans that include Japan. Plans come in two main styles: fixed data packs that deliver a set amount of data (ranges from 1 GB to 50 GB) and daily‑cap offers that allocate a specific data allowance for a single day or a few days. Prices for the Japan‑focused plans span from $2.47 to $117.65, giving a broad range for both short‑stay travelers and visitors on longer trips.