Are popular communication apps like WhatsApp and Line, including their voice/video call features, blocked in countries like Japan or South Korea?

Rest assured, communication apps like WhatsApp and LINE (which is particularly popular in Japan and South Korea) are generally not blocked in these countries. You can freely make voice and video calls using these applications. EastESIM provides high-speed, reliable data connections through top local networks like NTT Docomo or SK Telecom, ensuring excellent call quality and smooth messaging. So, whether you're coordinating with travel companions in Tokyo or catching up with family from Busan, your preferred communication apps will work perfectly with EastESIM.