Donny, OnSong can transpose, change fonts size and color, change spacing between lines, make chords a different color than the lyric, auto scroll down the lyrics, as you are reading the page, Make set lists. Swipe down for alike songs. Swipe to the right or left for a different type of music. And there is more.

The price of the App. Is cheaper for iPad. (apple) Turn the iPad in landscape view and the lyrics become 30% larger.
John C.

PS, it can also display PDF files, lyrics or sheet music, which I use when needed