ChillaxSIM eSIM Data Plans for Japan

ChillaxSIM does not provide a truly unlimited data eSIM for Japan; all plans have a fixed high‑speed data allowance. Plans marked with “unlimited” in the name are limited to 1GB per day, after which the speed drops to 5000kbps. Travelers who need more data can choose a fixed‑data plan, such as the 50GB plan valid for 60 days or the 30GB plan valid for 60 days, both of which offer high‑speed data through 5G until the allowance is used up. These fixed‑data options often provide a better value for heavy data users compared to the capped “unlimited” plans.

ChillaxSIM does not provide Japanese eSIM plans that include a phone number or SMS capability. The company only offers data‑only eSIMs for Japan. Travelers who want to make voice calls or send text messages can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection.

ChillaxSIM provides a total of 46 data plans that can be used in Japan: 41 single‑country plans and 5 multi‑country plans. The single‑country plans allow customers to purchase data specifically for Japan, while the multi‑country plans bundle Japan with other destinations. Prices across all plans range from $1.50 to $70.90, and data caps vary from 1 GB up to 50 GB. The plans are divided into fixed data caps—where a set amount of data is granted for the plan’s validity—and daily data cap plans, where a maximum amount of data can be used each day but the total data may accumulate over the validity period. The range of prices and data caps reflects the diversity of options available for travelers looking for a flexible, cost‑effective eSIM for Japan.