Best SIM Cards for Foreigners in Japan (2025)
Quick Answer Best SIM cards for foreigners in Japan (2025): Rakuten Mobile at ¥3,278/month for unlimited data is the best value for heavy users. For moderate use (20GB), ahamo at ¥2,970/month runs on Docomo’s network. Budget users (3GB): IIJmio from ¥858/month. All can be signed up online in English with a residence card — no Japanese required. Getting a phone plan sorted is one of the first things you need in Japan — and one of the most confusing. The major carriers advertise everywhere but their cheapest plans aren’t listed prominently, English support is inconsistent, and if you signed up without knowing what you were doing, you’re probably overpaying by ¥3,000–5,000 a month. This guide cuts through the noise: here are the plans that actually make sense for foreigners, at prices that don’t hurt. ...