Paisa - Expense Tracker is a free, open-source, Material Design expense manager for Android users. It allows users to track their expenses, income, and transfers with ease. The app has simple navigation, making it easy to use anytime, and the process of adding, updating, and deleting expenses is hassle-free.

One of the most noteworthy features of Paisa is that it is ad-free, making it a refreshing change from other expense tracker apps. The app also allows users to add transactions with endless categories, complete with custom icons to suit their preferences. Users can add, edit, and update categories, accounts, and transactions. Additionally, the app offers filters for daily, weekly, monthly, and yearly expenses. Users can get an overview of their expenses by category with a graph, and a summary of total and monthly expenses. The app also offers backup and restore options.

However, it should be noted that Paisa is still under development, so users should expect some bugs and missing features.