이자연구소

Interest Research Institute is a smart financial tool that allows you to easily and intuitively calculate monthly repayment amounts and total interest costs based on loan amounts, interest rates, and terms. When planning loans for various purposes, such as housing or automobiles, it supports diverse repayment methods—including equal principal and interest installments, equal principal installments, and lump-sum repayment at maturity—and calculates optimal conditions tailored to your actual loan situation.

You can register your cards at Interest Research Institute and manage your payment history by automatically recognizing notifications generated during transactions. Manage scattered information, such as credit card payment schedules and annual fee payment dates, in one place.