ProseEngine - AI that reads your story before writing a single word

The only AI writing studio that scores, enforces, and improves your prose — not just generates it. 14-metric quality scoring, canon enforcement that catches continuity errors, and 40+ AI models including free options. Generate entire books, improve them in one click, and produce multi-voice audiobooks. No other writing tool comes close. Free tier available, no credit card required.

Hey Product Hunt 👋 I'm Giorgos. I'm a solo developer, but before that, I'm a writer. I spent years working on a novel. Poured everything into it. Then I tried AI tools to help me finish — and every single one wanted to replace my writing with generic slop. Not one of them could tell me if my story was any good. Not one caught that I'd given my main character two different eye colors. Not one respected the voice I'd spent years developing. That broke something in me. Because writers don't need a robot to write for them. They need something that makes their writing better. So I quit my job and built ProseEngine. It scores your prose across 14 dimensions like a real editor would. It catches continuity errors before your readers do. It improves weak passages without erasing your voice. And it lets you choose from 40+ AI models — including free ones — because your creative tool shouldn't hold your wallet hostage. This took me over a year of building alone. Every feature exists because I needed it myself. There's a free tier. No credit card. No catch. I just want more writers to have the tool I wish I'd had. If you've ever felt like AI was trying to replace you instead of help you — this is for you.

ProseEngine - AI that reads your story before writing a single word

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