Use tempo curves in Logic Pro for iPad

In the Tempo track in Logic Pro, touch and hold a curve node between two tempo points, then drag to set and alter the curve shape.

In Logic Pro, choose a value from the Snap pop-up menu in the Tracks area menu bar to define the number of tempo changes that are actually performed when using curves.

In the Tempo track in Logic Pro, tap the tempo node to select it, tap it again, then choose Delete.