Here is why: The production is far more refined, unlike Born This Way where the vocals are overpowered. The songwriting (while simple) – is still far more effective than anything on Born This Way. It resonates with people to a greater extent. Katy's melodies are more concise. It's structured in a fairly straightforward way, that hits you right from first listen. The concept is also digestible, while the other tries to do a little "too much" if you get what I mean.
Teenage Dream. It's a more coherent body of work, and it still sounds fresh today. Each song was single material, which speaks volumes as to how much effort was put into the album.
keep trying.
