Is an EastESIM better than buying a physical SIM card at Tokyo Narita Airport (NRT)?

For convenience and immediate connectivity, an EastESIM often surpasses buying a physical SIM at Tokyo Narita Airport (NRT) or any other major Asian hub. With EastESIM, you can purchase and install your plan before you even leave home, activating it the moment your plane lands in Japan, South Korea, or Singapore. This avoids queues at airport kiosks, dealing with foreign currency, or the hassle of swapping tiny physical SIM cards. Plus, keeping your home SIM active in your phone allows you to receive important calls or messages, a feature often lost when using a local physical SIM.