If I would like to unsubscribe this app, do I have to pay any termination fee? Thanesh November 09, 2017 07:52 Updated Follow No, you do not have to pay any termination fee to unsubscribe to the Boost Business app. Related articles How do I contact Boost Business Support? How do I replace my POSM if it is damaged? Is it available on android and iOS? If I require a demonstration or training will the Boost Business team provide this? Is it free to register as a Boost merchant? Comments 0 comments Please sign in to leave a comment.