Earlier quoted context omitted.
"No design skills required!" is not something you should read when making design decisions for your app. Period. So what's your alternative? Either investing a load of time in learning, or a load of money in hiring a designer? If you don't have the time/money/talent, this solves a very real problem.
> "Either investing a load of time in learning, or a load of money in hiring a designer?" Yes. The app store era has significantly raised the stakes - it's no longer enough to ship something functional, people demand that it also be beautiful and usable. For every product niche worth tackling, there is a competing app that has had the proper love of a designer. And it will win. The success of a modern iOS app hinges…
It's probably not for you, but I would be surprised if this isn't highly valuable to a lot of people.