Just renewed my Pro license, and then shortly found I could have got a license for three computers for just a couple of bucks more. Mrs Foscolo also has the pro version, so that was couple of extra beers for Iobit I didn't need to buy. Never mind - it's hardly expensive. But it's worth checking the latest offers on their website before renewing.
The extra apps in the 'toolbox' section are worth investigating. In particular there's a an uninstaller which uninstalls unwanted programs 100% rather than leaving a few files around the place which could, perhaps, interfere with the smooth running of your computer later on.