The Reeder app allows users to add a variety of content sources, including:

• RSS feeds

• Podcasts

• YouTube channels

• Mastodon accounts, tags, and home timelines

• Bluesky accounts and home timelines

• accounts, Discover feeds, and home timelines

• Glass accounts

• Flickr accounts

• Comic strips

• Subreddits

• Substacks

Hit me up if you want a walk through. There is a little add button where it will find the rss for you and you can add it to a folder/topic.

There are also free converters to convert any website to a RSS feed:)