If you are getting notifications from CycleAfter, then your Mac is infected with adware. CycleAfter is adware for Mac.
CycleAfter changes setting in your Mac. First, CycleAfter installs a browser extension in your browser. Then, after CycleAfter hijacks your browser, it modifies settings in the browser. For example, it changes the default home page, modifies search results, and displays unwanted pop-ups in your browser.