NotAppli is a free application designed for iPhone users, focusing on real estate and legal calculations. It offers functionalities to calculate acquisition costs for properties, real estate capital gains, loan repayments, and inheritance taxes. Users can easily navigate through these features, making it a practical tool for potential property buyers and those managing estate matters.

In addition to its calculation tools, NotAppli provides users with answers to legal and tax-related questions in areas such as real estate, family succession, and business law. The app also includes video resources and downloadable practical memos, enhancing the user experience by offering valuable information at their fingertips. NotAppli aims to support users during significant personal and professional milestones with expert guidance.