How can I delete a voicemail within the mobile app? Brittany Thrasher February 21, 2018 19:52 Updated Follow To delete a voicemail from the app, simply swipe the message to the Left and you will be given a red button to delete. Related articles My contacts aren't sorted properly Can I call back customer from a voicemail? How do I set up my phone with the Grasshopper iPhone app? Can I upload my own greetings? Why are message being left on my personal voicemail? Comments 0 comments Article is closed for comments.