Prezi helps you create presentations that tell a story. The UI lets you create a storyboard for the presentation so it's really easy to design the big picture for the presentation and then drill down to the individual "slides".
Each template has built-in settings that allow for multiple different layout options, choice of which elements should be shown or hidden and change things like the background image all without having to edit the template itself.
Though Apple now tries to converge its macOS software packages to iOS markets ("click here to buy"), Keynote still excels in the area "I want to do xxx, how to achieve?". Using Keynote, even a user who has never done a presentation before, will produce remarkable presentations,