Aditya Hridayam is a free devotional hymn app created by ThirdEye Apps. The app features a collection of verses associated with Aditya or the Sun God (Surya) and was recited by the sage Agastya to Rāma on the battlefield before fighting Rāvana. The app is part of the NityaŚlokas collection and provides an easy way for both children and adults to learn traditional slokas in six different languages, including Tamil, Telugu, Kannada, Malayalam, Devanagari (Hindi), and Roman (Transliteration).

The app offers two optional modes: Learning mode and Listening mode with play 'Once' or 'Repeat' options. It also includes embedded audio for all verses, allowing users to listen to the hymns without an internet connection. The app has an easy navigation system that allows users to move through different verses with ease. Additionally, the app provides meaning for every verse in English in the learning mode. The app is available for free, but it includes ads. Users can disable the ads by making an in-app purchase to support the development of similar apps.