Rakuten Mobile for Foreigners in Japan: Review and Setup Guide (2025)
What you'll learn in this guide Rakuten Mobile’s plan structure and pricing for 2025 Who can sign up (foreigner eligibility and required documents) Network coverage: where Rakuten Mobile works well and where it doesn’t How Rakuten Mobile compares to IIJmio, ahamo, and LINEMO How signing up boosts your Rakuten Points (SPU program) Quick Answer Rakuten Mobile offers Japan’s only unlimited data plan at a fixed ¥3,278/month — no throttling, no caps. It’s the best-value option for heavy data users. Coverage is good in urban areas but weaker in rural Japan (uses au network for roaming). Foreigners can sign up with a residence card and Japanese bank account or credit card. ...