I keep seeing people label their sites as "MVP". MVP is a minimal viable product.
This means feature set not quality.
Stop using MVP as an excuse for your poor quality software. If you didn't have time to polish the features maybe it wasn't minimal enough!
If the purpose of the application is met, but the app is otherwise ugly, hard to use or what have you, then you have an MVP.
The point of an MVP, generally, is to determine whether or not there's a market for your application, and whether it actually fills a need.
If you can put out an ugly, half-working application that saves me real, tangible money, then I'm probably going to use it. If there's better-looking or more highly regarded software in the same space, you're out of luck, and shouldn't be launching an MVP... the market's been proven by the competitor. But if it's a new space, in an unproven market, that solves a real problem, then yes, I will accept an app that hasn't "had time to polish the features", so long as the one core feature that I'm using it for works.