The KnowHymn app is a unique and interactive app where it features both the current Seventh-day Adventist Hymnal and the Companion to the Seventh-day Adventist Hymns. We have observed that many Hymnal App have poor quality piano accompaniments, which are neither enjoyable nor pleasant to sing to. But not anymore! We have embedded the app with exciting features starring some of the main ones, such as Piano accompaniments that are vibrant, joyful, and accessible anywhere at any time. The KnowHym