Vishnu Sahasranamam app contains 1000 names of Sri Maha Vishnu.
The app Vishnu Sahasranamam contains the following Devotional stotrams
Vishnu Sahasranamam (M S Subbalakshmi)
Venkateshwara Suprabhatam (M S Subbalakshmi)
Shri Hari Stothram
Sri Rama Rama Rameti
Vishnu Holy Chant
The app is offline capable, so the songs can be played without internet connection.