9 Best Free AI Book Writing Tools Every Author Should Know

Do you have aspirations of being an author and need software for writing novels? Are you interested in utilizing AI to improve your experience with fiction writing?

Look no further!

In this blog post, we will introduce you to the 9 best free AI book writing tools that allow you to write a book completely for free!

These tools are powered by artificial intelligence and offer a range of features to streamline and enhance your book-writing process.

With advanced algorithms and language models, AI book writers can generate content, provide writing templates, and even help you overcome writer’s block.

Whether you want to write novels or non-fiction books, these AI software options have got you covered.

What Is AI Book Writer?

The AI book writer is a powerful tool that utilizes artificial intelligence technology to assist authors in the process of writing books.

With the use of AI, these platforms can generate content, provide writing prompts and recommendations, and can even assist in creating graphics for book covers and illustrations.

Additionally, AI book writers can help authors to:

  • overcome writer’s block
  • provide fresh plot ideas
  • generate book outlines & characters
  • create dialogues between characters
  • adjust your writing style and tone
  • rewrite and rephrase book content
  • summarize and expand writing

Moreover, AI book writing platforms can write in multiple languages and they often include features like grammar and plagiarism checkers to ensure the quality and originality of the content.

While some AI book creation tools offer free plans with limited word limits, others provide premium options with higher word limits and advanced functionalities.

The pricing plans vary depending on the platform and the features included. However, the free plans offered by these AI book writers allow authors to get a taste of the capabilities of the tools and write a significant portion of their book without any cost.

Best Free AI Book Writing Tools:

Let’s discuss the best AI writing software tools that will help to write your books for free!

1. Rytr

Rytr is a lightweight AI writing tool that can bring out the storyteller within you.

Whether you’re an experienced writer or someone looking to explore their creative side, Rytr can be a great help. With its wide range of over 40 use cases, Rytr caters to various writing needs, including book writing.

While Rytr has a premium version, it also offers a free plan, which allows you to generate up to 2,000 words for free, providing ample space to develop your ideas.

In case that’s not enough for you, you can switch to Rytr’s premium for just $9/mo, which is extremely affordable compared to other similar tools.

Additionally, Rytr offers a free integrated plagiarism checker, ensuring the originality of your content – a feature that many of its competitors lack.

Besides that, Rytr enables you to create up to five AI-generated images per month, adding visual elements to your book.

From brainstorming ideas and writing opening hooks to developing characters and structuring your story, Rytr can help you write a book more efficiently.

Top Features:

  • GPT-3 Technology
  • Storyteller Templates
  • Free Paraphraser
  • 40+ Use Cases
  • 30+ Languages
  • 20+ Tones
  • Free Built-In Plagiarism Checker
  • Image Generator
  • Chrome Extension
  • Forever Free Plan


Rytr’s pricing is straightforward offering 3 subscription options – Free Plan, Saver Plan, and Unlimited Plan.

As covered, the free plan lets you generate 2,000 words per month using all copywriting templates at no cost. It also gives you access to the plagiarism checker, the premium community, and 5 AI images per month.

On the other hand, the premium plans provide you access to higher word and image generation limits as well as the ability to create your own custom copywriting use case.

Here are all plans of Rytr:

  • Free Plan: $9/mo (10k Characters; 5 Images)
  • Saver Plan: $9/mo (100k Characters; 20 Images)
  • Unlimited Plan: $29/mo (Unlimited Characters; 100 Images)

Try Rytr for free

Check Out Rytr

2. Simplified


Simplified is a fantastic AI book writer, especially for authors seeking a free comprehensive copywriting tool.

With its AI-powered content generation, writing templates, and collaboration features, Simplified actually simplifies the book writing process a lot.

Authors can effortlessly create engaging book content using AI-generated text and structured templates. They can also design various aspects of a book using Simplified’s efficient graphic design tool.

What is more, Simplified offers video production features as well as a content management platform to enhance your book’s promotional efforts.

The best thing – all of these features are accessible via a forever free plan, enabling you to write up to 2,000 words for free. And the free trial will give you 10,000 words to start with.

Top Features:

  • Powered by GPT-3
  • 50 Copywriting Templates
  • AI Story Writer
  • Graphics Creator
  • 100k+ Design Templates
  • Video Editor
  • Animation Maker
  • Post Scheduler
  • Content Calendar
  • Plagiarism Checker
  • 20+ Supported Languages
  • Forever Free Plan


Simplified offers authors various plans to meet their book writing needs, including a free plan and three premium options: Small Team, Business, and Growth.

The free plan allows individuals to generate up to 2,000 words per month, utilizing both long-form and short-form writing. It also provides access to the design editor, video and animation creator, and social media post scheduler.

The premium plans cater to teams of up to 5 members and offer higher word limits for content generation. They also enable enhanced features for graphic design, video creation, and social media management.

Here’s the pricing for all plans:

  • Free Plan: $0/mo (3,000 words per month)
  • Small Team: $20/mo (25,000 words per month)
  • Business: $33/mo (50,000 words per month)
  • Growth: $81/mo (250,000 words per month)

You can start a free trial by generating 10,000 words with Simplified for free.

Generate 10,000 Words with Simplified For Free

3. Jasper

jasper ai

Jasper is an exceptional AI writing assistant that offers a range of features designed to assist you in the book-writing process.

With over 50 copywriting templates, it offers a wealth of creative options for generating book ideas, titles, story plots, and a lot more.

What’s more, Jasper supports content generation in over 29 languages, catering to a diverse audience. It also provides a convenient Chrome extension, and integrates with grammar and plagiarism checkers, ensuring the quality and originality of your writing.

Platform’s collaborative writing process is simple and efficient. As an author, all you need to do is provide a brief description of your story, and Jasper takes care of the rest.

When it comes to book images, Jasper has you covered too. With Jasper’s Art feature, you can generate unique book illustrations that grab readers’ attention.

While Jasper is a premium tool, throughout our link, you can generate 10,000 words with the software at no cost, giving you a chance to experience its unlimited capabilities for free.

Top Features:

  • GTP-3 Technology
  • Story Plot Generator
  • 50+ Copywriting Templates
  • Endless Writing Tones & Styles
  • Idea Recommendation
  • Text Simplifier & Summarizer
  • Content Improver
  • Plagiarism & Grammar Checkers
  • 29+ Supported Languages
  • Chrome Extension
  • Image Generator
  • API Integrations
  • Team Version
  • Free Trial


Jasper offers two main pricing plans: Starter and Boss Mode.

Both plans include access to all copywriting templates and support for 30 languages. However, the Boss Mode plan offers additional features like automated workflows, compose and command functions, a plagiarism checker, and the option to add up to 5 users.

In a nutshell, the Boss Mode plan is ideal for longer-form writing and users who require advanced functionality, while the Starter plan is well-suited for authors who occasionally generate shorter stories.

Here’re the pricing options:


  • 20,000 words: $24/mo
  • 35,000 words: $40/mo
  • 75,000 words: $82/mo

Boss Mode:

  • 50,000 words: $49/mo
  • 100,000 words: $82/mo
  • 300,000 words: $232/mo

To take advantage of Jasper for free, you can use this link to generate up to 10,000 words at no cost.

Generate 10,000 Words with Jasper For Free

4. Neuroflash


Neuroflash is the ultimate solution for aspiring authors and seasoned writers alike.

This great AI-powered tool acts as a fantastic free book writer, providing a range of copywriting templates for generating stories, scenes, novel and non-fiction outlines, and book ideas. Its features for book copywriting are unparalleled, offering a seamless experience from brainstorming to creative writing.

With Neuroflash, you can effortlessly overcome writer’s block, generate captivating ideas at lightning speed, and ensure impeccable language and style with its sophisticated text-checking capabilities.

The platform offers a forever-free plan, allowing you to generate up to 2,000 words per month and create up to 5 images with AI.

While Neuroflash excels in many aspects, it’s important to note that it currently lacks a plagiarism checker, however, this feature is currently being developed.

Top Features:

  • GTP-3 Technology
  • 90+ Text Types
  • Idea Recommendation
  • Outline generator
  • Book research
  • Text Expander
  • Text Rewriter
  • Text Summarizer
  • 8 Supported Languages
  • Image Generation
  • Forever Free Plan


Neuroflash offers four subscription plans: Free, Basic, Power, and Premium.

The free plan allows you to write up to 2,000 words per month using all copywriting templates, along with one generated image. If you require a higher word limit and additional image generation, you can consider upgrading to one of the premium plans for more extensive features and benefits.

Here are all the pricing plans:

  • Free: €0/mo (2.000 Words; 1 Image)
  • Basic: €29/mo (20.000 Words; 25 Images)
  • Power: €59-€139/mo (100.000 – 400.000 Words; 50 Images)
  • Premium: €199/mo (Unlimited Words; Unlimited Images)

Try Neuroflash for free

Check Out Neuroflash

5. Writecream


Writecream’s AI Book Writer can be a valuable and user-friendly tool for many authors and storytellers.

With its free plan, you can write between 5,714 and 10,000 words per month without any cost, making it accessible to everyone looking to kickstart their book-writing journey.

Supporting over 30 use cases, including story writing, Writecream’s AI Story Generator Tool utilizes cutting-edge artificial intelligence to generate fresh and tailored ideas for horror tales, romantic sagas, or thrilling science fiction adventures. It brings to life complex characters, intricate plotlines, and immersive settings that captivate readers.

In addition to story generation, Writecream’s Command Mode enables the creation of various textual content, such as articles, product descriptions, and ads. The platform also has features to generate audio, videos, and images.

The most remarkable thing about Writecream is its support for over 75 languages, enabling international authors to reach global audiences.

Moreover, Writecream offers a free plagiarism checker, a Google Chrome extension, and many other tools that can help in the book writing process.

Top Features:

  • GPT-3 Technology
  • Free AI Story Generator
  • Idea Generation
  • User-friendly Interface
  • 30+ Use Cases
  • 75+ Supported Languages
  • Free Plagiarism Checker
  • AI Image Generation
  • AI Video/Audio Generation
  • Forever Free Plan


Writecream offers Free & Premium plans.

The free plan will let you write up to 40,000 characters per month, which approximately accounts for 5714 and 10000 words.

If you want to experience unlimited word generation, then you can upgrade to UNLIMITED PLAN for just $9 a month.

Start your writing process by joining Writecream’s free trial to generate up to 10,000 words at no cost.

Try Writecream for free

Check Out Writecream

6. Copy AI

copy ai

Copy AI, although primarily designed for generating marketing copy, can be a great free AI book creator. Authors can take advantage of its free plan to write content for their books, utilizing its AI-powered writing assistant.

Users can also take advantage of Copy AI’s affordable premium plan that enables unlimited word generation.

With over 90 tools and templates, authors have access to a wide range of features, including sentence rephrasing, style and tone adjustment, and creative writing prompts.

The tool supports over 25 languages, making it suitable for authors writing in different languages.

While there are some drawbacks such as a glitchy user interface and limited effectiveness for short-form content, Copy AI remains a valuable resource for authors looking to streamline their writing process and produce high-quality book content.

Top Features:

  • AI-Powered Writing Assistant
  • 90+ Tools And Templates
  • Creative Writing Prompts And Ideas
  • Style And Tone Adjustment
  • Sentence Rephrasing
  • Advanced Grammar Checker
  • Integrated Content Research Tools
  • 29+ Supported Languages
  • Google Chrome Extension
  • Writing Collaboration Tools
  • Forever Free Plan


CopyAI offers two subscription plans – Free & Pro.

While the free plan enables monthly generation of 2,000 words for free, Pro plan allows you to write unlimited words per month, making it an affordable option for those willing to generate high volumes of content with AI.

Also, the Pro plan unlocks support for 29 languages, 5 user seats, and a few other features.

Here are the pricing options for Copy AI PRO plan:

  • Monthly: $49/mo
  • Yearly: $36/mo (billed at $432 a year)

Try Copy AI for free

Check Out Copy AI

7. SaasBook


Saasbook offers a compelling solution as a free AI book writer.

Although it is a premium tool, it comes with a free plan offering 20 free AI generations per day, with 50 words per generation, accounting for 1000 daily words with a short form writer.

Alongside the AI writer, Saasbook provides additional tools like the paraphraser, summarizer, and headline generator, all available for free in some capacity.

These tools empower authors to accelerate their writing, rephrase the content, condense information into concise summaries, and craft attention-grabbing headlines.

Whether you’re a student, blogger, or digital marketer, Saasbook’s AI-driven capabilities enable efficient and effective content creation, making it a great resource for authors seeking a free AI book writing solution.

Top Features:

  • AI-Powered
  • AI Writer
  • AI Story Generator
  • Summarizer
  • Paraphraser
  • Headline Generator
  • Forever Free Plan


Sassbook offers 3 subscription options to cater to different needs: Free, Standard, and Premium.

As covered, the free plan provides users with 20 free text generations per day, with a limit of 50 words per generation. It also includes some free word allowance for summarizing, paraphrasing, and headline writing.

For those seeking enhanced capabilities and a more robust AI tool, upgrading to one of Sassbook’s paid plans is recommended.

Here are all the subscription options:

  • Free: $0/mo (20 Generations per day; 15 Summaries per day; 10 Paraphrase generations per day; 10 Headline generations per day)    
  • Standard: $32.50/mo (Unlimited Generations (70 words); Unlimited Summaries (10 pages); Unlimited Paraphrase generations (10 pages); Unlimited Headline generations (1.6 pages)   
  • Premium:  $49.16/mo  (Unlimited Generations (100 words); Unlimited Summaries (20 pages); Unlimited Paraphrase generations (20 pages); Unlimited Headline generations (1.6 pages)   
Check Out SassBook

8. ToolsAday


ToolsAday is a practical content generation toolkit that proves to be a great free AI book writer.

With its extensive range of features, authors can effortlessly create captivating stories, develop compelling characters, craft engaging dialogues, and structure their chapters.

By providing different settings for the plot, such as genre, purpose, or theme, authors can use ToolsAday to generate tailored story ideas that suit their vision.

An added advantage is the ability to input the desired balance between dialogues and narration, allowing users to fine-tune their storytelling style.

The good news is that ToolsAday offers a free plan, enabling users to access its features even without registering. The free plan enables to write up to 10,000 characters per month, which roughly translates to 1,800 words.

Via free plan, you will also get to access the other platform’s tools, including paraphraser, summarizer, plagiarism checker, and a few more.

Top Features:

  • Story Idea Generator
  • Story Plot Writer
  • Story Outline Generator
  • Character Generator
  • Dialogue Generator
  • Paraphrase Tool
  • Plagiarism Checker
  • Summarizer


As we discussed, ToolsAday comes with a free plan, offering 10,000 free word characters per month. The free plan also lets you paraphrase up to 700 characters at no cost.

For those seeking enhanced capabilities, ToolsAday offers premium versions too at incredibly affordable rates, providing even greater value to authors and content creators.

Here’re all pricing options:

  • Standard: $7.99/month (500,000 characters)
  • Pro: $19.99/month (2,500,000 characters)
  • Ultra: $39.99/month (Unlimited characters)
Check Out ToolsAday

9. Plottr


Plottr is a versatile tool designed initially as a visual book planning and series bible software.

While its primary focus is on organizing and outlining book content, Plottr also offers a free AI Plot Generator for authors. Powered by OpenAI, this feature enables you to generate compelling three-act plot outlines for your stories.

Whether you’re delving into the realms of fantasy, crafting a captivating romance, unraveling a thrilling mystery, or exploring the depths of horror, Plottr allows you to pick the genre that suits your narrative.

You can describe your story conflict, flesh out your main character and villain, as well as define the settings of your tale. With Plottr’s combination of visual planning and AI assistance, you can turbocharge your productivity and bring your storytelling aspirations to life quicker.

Top Features:

  • Powered by OpenAI
  • Free AI Plot Generator
  • Visual Timeline Organizer
  • Story Bible Creator
  • 30+ Plot and Scene Templates
  • Software Intergration
  • Collaborative Features


Plottr isn’t a free tool nor it has a free version. It only provides a free plot outline creator, which you can later use to write stories for your books.

If you’d like to opt-in for Plottr to organize your book content faster, then you can subscribe to its premium plan either for $39 a year, or $139 for a lifetime.

Check Out Plottr

Final Words:

In conclusion, the availability of free AI book writing tools has revolutionized the way authors write and create content. These tools, powered by artificial intelligence, offer a range of features that can help writers overcome obstacles and enhance their writing process.

By utilizing advanced algorithms and language models, AI book writers provide content generation, writing templates, and even assistance in overcoming writer’s block. Whether you’re working on a novel or a non-fiction book, these tools have got you covered.

With options like Simplified, Rytr, Neuroflash, Copy AI, and others authors can start writing their novels completely for free. These tools offer various functionalities such as generating story plots, providing writing prompts, adjusting writing styles, and even creating graphics for book covers and illustrations.

While some tools have limitations in their free plans, they still offer valuable features that allow authors to write a significant portion of their books without any cost. Additionally, premium options are available for those who require advanced functionalities and higher word limits.

If you are looking for the best premium AI book-writing software, then Sudowrite is the option. This AI tool is specifically designed for writing books, and it has some interesting features, that none of the free options offer.

Overall, these free AI book creation tools are a game-changer for aspiring authors, providing them with the necessary support and functions to bring their ideas to life.

So why wait? Start writing your novel today with the help of AI writing software.

Frequently Asked Questions:

Can AI replace authors?

While AI can assist authors in various ways, it cannot completely replace them. AI lacks human creativity, emotions, and the ability to deeply understand complex themes. Authors bring unique perspectives and storytelling abilities that make their work distinct. AI can enhance the writing process but not fully replicate the artistry of human authors.

Is it legal to use AI to write a book?

Yes, it is legal to use AI to write a book. AI-generated content is subject to intellectual property laws, and the ownership of the content depends on the terms and conditions set by the AI platform or tool. However, it is important to comply with copyright laws and properly attribute any AI-generated content used in your book.

Is there a premium AI novel writing tool?

Yes, there are premium AI novel writing tools available. Examples include Sudowrite, NovelAI, and AI Dungeon. These tools utilize advanced AI algorithms to generate story ideas, assist with character development, and provide writing prompts. They offer additional features and enhanced capabilities compared to free alternatives, catering to serious writers and enthusiasts.

Is there a free AI that can write a book?

Yes, there are free AI book writing tools available. These tools utilize artificial intelligence technology to assist authors in writing books. They can generate content, provide writing prompts, and help overcome writer’s block. While some tools have limitations, they offer a valuable opportunity to start writing your book completely for free. Some of the free AI book writers include – Rytr, Simplified, and Neuroflash.