SI APIK is an app that can be used by both individuals and businesses to keep their financial records. Individual users will use it for personal accounting, while businesses will use it to manage their accounts for financial reporting and analysis.

It is a very simple app, that is easy to use and understand. It has a user-friendly interface that will allow users to keep their accounts in a simple, yet organized way. Users can choose to keep their accounts in a standard or FIFO format. Standard accounts are usually used for businesses, while FIFO is used for individuals.

If a user chooses to use the FIFO format, it will allow them to enter the details of their transactions as they happen. It is a very convenient way for individuals to record their transactions, as it is easy to use and understand.