If you are getting notifications from AllocateType, then your Mac is infected with adware. AllocateType is adware for Mac.
AllocateType changes setting in your Mac. First, AllocateType installs a browser extension in your browser. Then, after AllocateType 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.