The ease of use, especially as far as customizing options. I have been using it since its launch in 2014, so there are many features that were added along the years (like social sharing). There's also a free version which allows you to create up to 20 pods per month but has limited customization. You can easily manage your podcast list from one place. It makes managing multiple shows much easier than copying links between websites or apps, plus you don't need to worry about losing them if they're not connected anymore.