The growth of unclaimed inheritance in Malaysia is an issue since the independence of Malaysia. Inheritance planning or Estate planning can be defined as the process of determining how one’s property should be distributed to meet the deceased’ wish. There are two popular estate planning instruments namely will and trust. This study aims to explore the differences of will and trust as part of estate planning instruments. The concept of will and trust, as well as the comparison and barriers of estate planning have been discussed in depth. This study will provide more insights to people for better-informed decision in their estate-planning arrangements by understanding the key differences between these two estate planning instruments.