Canto dos Pássaros is a free Android app developed by Fibra Mobile, under the Utilities & Tools category. This app lets you wake up to the sounds of nature with its unique feature of setting different bird songs as your alarm tone. You can choose from over ten different birds, including Coleiro/Papa Capim, Curió, Trinca Ferro/Pixarro, Sanhaço, Bicudos, Bigodinho/Estrelinha, Canário da Terra/Canarinho, Melro/Pássaro Preto, Sabiá, TicoTico, Azulão, and Chaochao/Catatau.

The app allows you to set multiple alarms, each with a different bird song, making your mornings more enjoyable and less monotonous. The app's user interface is simple and easy to use, making it accessible to anyone. Canto dos Pássaros is a great app for bird lovers who want to wake up to the sounds of nature or anyone who wants to switch up their alarm tone.