The Editor supports a maximum of twelve systems, the twelve lines of chords counting down the page. New songs can start from a barline template of up to 96 measures.

 

When a chart runs out of room, make the bars narrower rather than looking for another line. Delete the spare cells in the bars above and the space appears below, fitting eight or more bars on a line. A measure holding a single chord can be squeezed to one cell, with a barline on each side, and the small chord font gives back more room still.

 

The Bossa 3 exercise and Chega de Saudade in the Jazz playlist, both included with iReal Pro, show how far this can go.

 

For more, see Chart layout and spacing on the iReal Pro website.