A: Hi! Honestly, great to see more tools getting people to actually write. The hardest part is starting, so more options is a good thing.
On the comparison: Syllabbles is a broad content tool. It turns links, videos, and notes into ebooks, audiobooks, podcasts, and designs across many formats. If you want to repurpose content into lots of shapes quickly, that's its lane.
First Book ai is narrower on purpose. We do one thing: help professionals write a real, structured nonfiction book in their own voice. It's not one-click content generation. It's a guided, step-by-step process, chapter by chapter, where you review and approve everything. The goal isn't to replace you as the author. It's to get what's in your head onto the page properly.
That focus is built on real authors. We've helped over 2,400 of them create more than 10,000 books, and the process is shaped by what actually worked for them. Your background, voice, and stories drive the book, not generic AI knowledge.
So it comes down to what you want. Broad multi-format content, or one nonfiction book you're genuinely proud to put your name on. Hope this helps! 😊