Definitely. Wattpad is completely free and has a large community of writers and readers. You can find all kinds of fanfiction there. AO3 is also free. It is known for its extensive collection and its ability to host different types of fan - created content. And FanFiction.net's app doesn't cost anything either. It has been around for years and has a vast archive of stories from various fandoms.
Wattpad is also free. As I mentioned before, it has a huge number of user - generated novels across different genres that you can read without paying anything.
No, they're not exactly the same. Webtoons can come from various countries and have different styles and themes. Manhwa specifically refers to Korean comics.
Webtoons can be seen as comics. They tell stories visually, have characters and plots like traditional comics, but they might have different ways of scrolling or panel arrangements for online viewing.
One of the apps to read Kpop fanfiction is Wattpad. There are many users on Wattpad who are passionate about Kpop and write interesting fanfiction stories. You can easily search for your favorite Kpop group or idol in the search bar. AO3 is another good one. It has a very organized tagging system which makes it easy to find the specific type of Kpop fanfiction you're interested in, like stories based on a particular ship or era of a group.
Wattpad is a great app. It has a wide variety of light novels among other types of literature. Many independent and amateur writers publish their light novels here, and you can discover some really interesting and unique stories for free.