I haven't heard of FrontFanz before. I'll have to add it to my list of new Web3 social media platforms and include it in my next book on the topic. In Web3 Social: How Creators Are Changing the World Wide Web (And You Can Too!), I discuss the 100+ Web3 social media platforms and tell creators how they can leverage them for their own benefit.
It's also available at Readl for only 1 MATIC.