이심이지 - eSIM Easy is a convenient app that allows you to use both phone calls and SIM cards simultaneously. By registering purchased items within the app, you receive call coins that enable you to make calls. Whether you're traveling from overseas to Korea or within a foreign country, experience using international calls with ease.

With 이심이지, you can use Korean SIM cards for calls and messages for free, while utilizing foreign eSIMs for data at affordable rates. Even without roaming, you can receive verification texts and calls on your Korean number while abroad.

Purchase and register items instantly when needed, and within just 10 minutes, you can start using overseas data. Personalize your data plan based on your desired duration and data volume for a perfect fit.

For situations requiring international calls while overseas, utilize 베이톡 provided by 이심이지 for free calls to Korea. Enjoy easy login support with Google or Apple IDs, eliminating the need for complex registrations. Simply enter your email after a quick login to receive your QR code.