Shri Hanuman Chalisa is a devotional app centered around the devotional song dedicated to Lord Hanuman, penned by Mahakavi Goswami Tulsidas in the sixteenth century. This app caters to modern Hindus and is commonly recited on Tuesdays, a sacred day for Lord Hanuman's devotees.

The program features multiple bhajans performed by renowned artists like Hariharan, Alka Yagnik, and Suresh Wadkar. With offline support, users can access 4 distinct audio tracks including Male, Female, Kids, and Male-fast versions, along with lyrics for each track. Additional functionalities include background support, playback control from the lock screen, daily Ram Jaaps, Hanuman stories (requires network connection), saving the last selected chalisa for future playbacks, chalisa slideshow on the lock screen, an alarm feature, and access to online radio.