Best fit
Works with iPhone and Android devices that support eSIM
Travel eSIM library
Best Japan eSIM plans
Stay connected across Tokyo, Osaka, and Kyoto with a prepaid travel eSIM you can install before departure.
Compare Simmy Japan eSIM plans, setup steps, and traveler guidance before your trip.
Comparison
Comparison
Simmy gives Japan travelers a direct setup path, hotspot support, and clear fulfillment expectations before they buy.
Compatibility
Compatibility checks
Check whether your phone supports eSIM, whether it is carrier-unlocked, and whether you still need the iPhone-specific or Android-specific setup page before checkout.
Traveler checks
Traveler checks
Best fit
Best starting point if you still need an iPhone-specific or Android-specific setup and compatibility check before checkout
FAQ
FAQ
When should I install a Japan eSIM?
Install it before departure or on arrival, then activate when you are ready to use mobile data in Japan.
Related pages
Related pages
Next step
Ready to choose a plan?
Open the live plan picker with this page attached as the source so the next step stays attributable.