Comparison Guide

BookNova vs Penwrite

BookNova generates a complete, KDP-ready novel from an idea. Auto Mode runs a story quiz, builds a story bible, characters and outline, then writes every chapter server-side; Sail Mode plans and writes chapter by chapter with a direction card for each one. It is sold as a one-time lifetime licence with monthly word credits.

The Verdict

BookNova is the fastest route from an idea to a generated manuscript, and its Sail Mode is a genuinely good guided-drafting loop. But it is designed to write the book for you. Once a chapter exists, there is no chat to reshape it, no version history, no research library and no way to translate or narrate the finished book. Penwrite is built for authors who want to stay the author: a real editor with autocomplete in your voice, a codex and book memory that keep a long novel consistent, and the publishing tools (translation, audiobook, beta readers, adaptations) that come after the first draft.

At a Glance

P

Penwrite

AI-Powered Book Writing Assistant

Recommended
Freeto start, from $12/mo
  • AI that learns and remembers your unique writing voice
  • Codex system for characters, locations, lore, and world rules
  • Tab-to-continue writing in your learned style
  • Knowledge Base with RAG for research-backed writing
  • AI-generated book covers, character portraits, and illustrations
  • Export to EPUB, Word (DOCX) and print-ready PDF with KDP trim sizes (Pro), plus Markdown on every plan
B

BookNova

AI Novel Generator

£49 lifetime

Strengths:

  • Generates a full first draft of a novel with very little input
  • Sail Mode: guided chapter-by-chapter planning where planning is free
  • Story bible with heat level, content rating and POV settings

Limitations:

  • Built to write the book for you, not with you: no chat to revise a chapter after generation
  • Cannot translate a finished book
  • No version history; duplicating a book is the way to experiment

Pricing Comparison

Penwrite Plans

Free$0/mo
Starter$12/mo
ProPopular
$29/mo
Enterprise$99/mo

BookNova Plans

Lite£49 one-time
Pro£89 one-time
Platinum£159 one-time
Author£309 one-time

Feature Comparison

FeaturePenwriteBookNova
One-click full-book generation
Guided chapter-by-chapter drafting
Next beat + scene plans
Rich text editor with AI autocomplete
Basic editor
Chat to revise and brainstorm
Voice / style learning
Codex (characters, places, lore)
Long-term book memory
Research library (RAG)
Consistency checks
Version history and snapshots
Grammar, humanize and translate
Cover and illustration generation
Children's picture books
Beta
Audiobook production
Screenplay, TV and comic adaptation
Beta-reader sharing and feedback
Free tier

Who Should Use What?

Choose Penwrite if you need:

  • AI that learns and writes in your unique voice
  • Persistent character, world, and lore memory (Codex)
  • Research integration with a Knowledge Base
  • AI-generated covers, portraits, and illustrations
  • A complete writing-to-export workflow for books

Choose BookNova if you need:

  • Generates a full first draft of a novel with very little input
  • Sail Mode: guided chapter-by-chapter planning where planning is free
  • Story bible with heat level, content rating and POV settings
  • Consistency checks after each chapter
  • Cover designer and KDP-ready PDF, EPUB and DOCX export

Best for: Authors who want an AI to generate a complete first draft quickly and are comfortable editing it outside the tool

Frequently Asked Questions

Common questions about BookNova vs Penwrite.

Yes. BookNova's Auto Mode generates every chapter server-side, typically in 30 to 90 minutes. Penwrite does not generate a whole book in one click; it drafts alongside you with autocomplete, next-beat suggestions and chat, so the voice and decisions stay yours.
In Penwrite, yes: select text and use the chat assistant, writing agents, humanizer or grammar check, with version history to roll back. BookNova's founder has said it is not built as a chat system; you regenerate a chapter or edit it by hand.
BookNova sells lifetime licences from £49 to £309 with monthly word credits that expire each month. Penwrite is a subscription with a free tier (no card needed), Starter at $12/month and Pro at $29/month.
Both have series support. Penwrite adds long-term book and author memory, a research library and consistency tooling across the manuscript, which matters most on long books and multi-book series.

Ready to write with AI that remembers?

Join authors using Penwrite to write better books with AI-powered character memory, voice learning, and intelligent co-writing.

Free plan, plus 7 days of Pro when you sign up. No credit card required.