Terço São Miguel Arcanjo MP3 is a free Android application developed by Gloriah Apps. It falls under the category of Lifestyle and is a Portuguese audio version of the Rosary of Saint Michael the Archangel. This application is perfect for those who want to pray the Rosary of Saint Michael but prefer an audio version. The audio is accompanied by an image that helps in counting the prayers. The Rosary is specific to nine beads, and the application has a method for praying the Rosary using the nine beads.

The method for praying is by using the small Rosary of Saint Michael the Archangel of nine beads. At the small bead near the medal, the user recites the prayer "God, come to our aid. Lord, help us and save us. Glory to the Father and to the Son and to the Holy Spirit. As it was in the beginning, now and always. Amen." Then, the user takes the first large bead of the Rosary and recites the first prayer. This is followed by three small beads, each with three Hail Marys. The application includes an antiphon and a prayer to Saint Michael the Archangel. The application is developed by Clevinho Maia.