Listinha is a digital phone book application developed by System Soluções para Informática SS Ltda for Android devices. It offers a comprehensive list of residential and commercial subscribers in several cities across the Brazilian states of São Paulo and Mato Grosso do Sul. With Listinha, users can search for phone numbers and addresses using various methods such as context, commercial, residential, address, and phone. Additionally, the app provides a list of useful phone numbers for each city.

Listinha's intuitive interface and easy navigation make it convenient for users to find the information they need. Once the desired contact is found, the user can make a call with just one click without the need to manually copy the phone number. Listinha is a free app that serves as a useful tool for anyone looking for quick access to phone numbers in the covered cities.