thirr.com eSIM Data Plans for Japan

thirr.com does not offer an unlimited data eSIM plan for Japan. All of the available plans list a data cap, with the largest being XXL World 100GB 31D, which provides 100GB of high‑speed internet for 31 days at a price of $75.33 USD.

If a traveler does not need unlimited data, thirr.com does provide fixed‑data options that can still meet high‑usage needs. For example, the JP 50GB 30D plan supplies 50GB of 5G data for 30 days at $18.02 USD, and the XXL World 50GB 31D plan offers 50GB for 31 days at $57.94 USD. Choosing a fixed data plan can be more economical for most users unless they anticipate consuming data beyond what these plans allow.

No. thirr.com does not provide a Japan eSIM that includes a phone number or SMS capability. The provider offers only data‑only plans for Japan. Travelers can still use VoIP applications such as WhatsApp, Telegram, and iMessage over the data connection for calls and messaging, even without a local phone number.

In Japan, thirr.com offers a total of 22 eSIM data plans. These are split into 4 single‑country packages that are exclusive to Japan and 18 multi‑country packages that include Japan among other destinations. The single‑country plans normally provide a fixed data amount that stays the same for the entire validity period, whereas the multi‑country plans frequently feature a daily data cap that can be shared across all covered countries. Prices for these plans vary from about $2.18 for the smallest 1 GB bundle to roughly $347.70 for the largest 100 GB, with validity periods ranging from 3 days up to a full year.