Reference：airalo.com
Airalo
Airalo offers a convenient eSIM option for travelers to Japan. Their Japan eSIM, known as “Moshi Moshi,” provides various data plans that range from 1 GB to 20 GB, with prices starting at $4.50 for 1 GB valid for 7 days. The larger packages, such as 20 GB, cost $26.00 and are valid for 30 days. These eSIMs utilize major Japanese networks like SoftBank and AU by KDDI, ensuring reliable coverage throughout Japan.
How to set up Airalo?
Please check the following and perform the initial setup.
How do I install and set up an eSIM on my iOS device?
How do I install and set up an eSIM on my Android device?
Review of Airalo
Cost effective and stable network
I purchased a plan for $26 that provides 20GB for 30 days. I think it was cheaper than renting a Pocket WiFi, and I was able to use my mobile phone as a hotspot without any issues. I plan to use this service again when I travel abroad.