El Santo Rosario is an app for keeping track of and reciting a Catholic prayer. In particular, this app is designed to be used with a Rosary, which is used for praying to Mary, the mother of Jesus in the Catholic religion. This software includes traditional Catholic artwork and easy-to-read text.

El Santo Rosario is a product of Jose de Jesus Hernandez Malerv and requires Android operating system version 3.2 or greater. As the app's name implies, all of the text in the app is in Spanish. The app has a rather large size compared to other apps in this category, coming to a total of 28.59 megabytes. The software is completely free to download and use.