Every year, millions of international travelers arrive in Japan and immediately begin paying more for mobile data than they need to. Not because they made an uninformed decision — but because international roaming has become so seamlessly embedded in the modern smartphone experience that using it feels like the path of least resistance. The airline
Every traveler heading to Japan faces the same choice when their flight confirmation arrives: should you leave international roaming on, or set up a dedicated Japan eSIM before you fly? One option requires almost no effort. The other takes about ten minutes to set up. However, the cost difference can reach hundreds of dollars on