Ability to fade audio at the beginning and end of a clip.
1. Select the clip that you want to apply the transition to.
2. Select the Effects tab from your toolbar. Select any of the transitions to apply to your selected clip
3. To adjust the length of your transition, select Transitions from your toolbar then select Duration.
If you move the slider to the right, the clip will fade in or out slowly.
Keep the slider to the left for quicker transitions.
On desktop, you can also select the transition in your timeline and drag the edge to lengthen it.
4. Rush will add the transition to the beginning and the end of your clip.
If you only want the transition on one end of your clip, tap the transition in your timeline and delete it using the trashcan icon in your toolbar.