TRYZM — HONEST SIM GUIDE FOR JAPAN
Which SIM should you get in Japan? Start here.
Whether you’re here for a short trip or settling in for the long haul, choosing a SIM or eSIM in Japan gets confusing fast. We break down the real trade-offs in plain English — and we never reorder our advice for money.
CHOOSE YOUR SITUATION
VISITING JAPAN
Travel eSIM for Japan
Short trip, data only, set up before you land. How eSIMs work, and how to pick by trip length and data — minus the ranking spam.
Read the eSIM guide →
LIVING IN JAPAN
SIM for residents
Moving here? Getting a phone-number SIM comes with real hurdles — residence card, Japanese payment, language. Here’s the honest path that actually works.
Read the resident guide →
We don’t sell rankings.
Many “best SIM” lists are just sorted by who pays the most. We may earn a commission from some providers, but we never change the order of our advice for money. When a non-paying option is the best fit, we say so.
WHO MAKES THIS
TRYZM is built by one person in Japan — not a big affiliate farm. I got tired of “best SIM” lists that were really just sorted by commission, so I made honest tools and guides instead. When a plan that pays me nothing is the best fit, I’ll tell you.