This is a simple free and open source Rosary app with no ads or trackers to help you pray the Rosary and other chaplets.

The following prayers are available:

the Joyful Mysteries
the Sorrowful Mysteries
the Glorious Mysteries
the Luminous Mysteries
the Divine Mercy Chaplet

Additionally if you do not like the style of the provided prayers or would like to pray a different prayer you can have no accompanying text.

This app also supports praying both counter clockwise and clockwise.

Notice: The app user interface gets squished on devices with small screen sizes and may not work properly

Source Code:
https://github.com/Daniel-Vono/Simple-Rosary