Mythwrite and Atticus
Atticus vs Mythwrite
Atticus (atticus.io) is a browser-based writing and formatting tool sold for a one-time fee. Mythwrite is a subscription workspace that adds planning, a story bible and optional AI to drafting and publishing. Both run on Windows, Mac, Linux and Chromebook, so the choice comes down to how you work.
45 days free, no card required. We make Mythwrite, so this page is not neutral; we have tried to be fair.
Who this page is for
- You are deciding between a one-time purchase and a monthly subscription.
- You want planning and a story bible as well as formatting.
- You want to track or avoid AI in your manuscript.
The short verdict
If your main need is to write and format a book, and you prefer to pay once, Atticus is a strong and simpler choice. Mythwrite suits writers who want planning, a story bible, proofing and a record of AI use in the same place, and are comfortable with a subscription.
Feature by feature
Mythwrite and Atticus side by side
| Atticus | Mythwrite | |
|---|---|---|
| Platforms | Windows, Mac, Linux and Chromebook. A progressive web app that works online and offline. | Any modern browser: Windows, Linux, Mac and Chromebook. |
| Price model | US$147 one-time, with updates included, and a 30-day money-back guarantee. | Monthly subscription from £7.99 after a 45-day free trial (no card required). Publish-ready PDF and EPUB export is on the £14.99 tier. |
| Writing | Editor with drag-and-drop chapters, goals, a habit tracker and autosave with cloud backup. | Manuscript editor with scene planning and revision history. |
| Story bible | Not described on its home page. | Archivum story bible for characters, places, factions and lore. |
| Import and export | Imports DOCX. Exports EPUB, PDF and DOCX. | Imports DOCX, Markdown and ZIP. Exports DOCX and Markdown, plus publish-ready EPUB and print PDF. |
| Formatting | 17+ chapter themes, a custom theme builder, 1,500+ fonts, footnotes, callout boxes and large print. | Publish themes and three trim sizes (5 x 8, 5.5 x 8.5, 6 x 9 inches). |
| AI | No AI features described on its home page. | Optional AI with your own key (OpenRouter, Anthropic or OpenAI). Tracked-change proofing, including a local Privacy Mode, and AI word tracking. |
| Extras | Device previews for several e-readers and phones. Version control is listed as coming soon. | Revision history, Send to Kindle, Read Aloud and audiobook export, figure blocks, MCP server. |
Last checked: 25 October 2026. Prices and features change; check Atticus's site.
Where Mythwrite fits
- You want planning, story bible and proofing in the same tool as the manuscript.
- You want AI word tracking, or optional AI with your own key.
- You want audiobook export or Send to Kindle.
- You prefer to pay month to month and stop when a project ends.
Where Atticus fits
- You want to pay once and not think about a subscription again.
- Your priority is formatting, with a bigger set of themes, fonts and layout options.
- You want to work offline.
- You do not want AI features in your writing tool.
Questions
Good to know.
Is Atticus cheaper than Mythwrite?
Over a long period, a one-time fee is usually cheaper than a subscription. Over a few months, a subscription can cost less. It depends how long you will use the tool.
Which is better for formatting a KDP paperback?
Both produce print PDFs. Atticus lists more themes and fonts; Mythwrite offers three common trim sizes. Always check your file in KDP's previewer.
Does either one write the book for me?
No. Mythwrite's AI is optional and uses your own key. Atticus's home page does not describe AI features.
Is this page neutral?
No, we make Mythwrite. Atticus facts come from its own home page, read on the date below.
Switching from Atticus?
Read our guide to moving from AtticusTry it on your own book.
Import a chapter, look around, and decide for yourself. 45 days free, no card required.
Sources
- Atticus home page (accessed 25 October 2026)
All product names are the property of their owners and are used here only to identify them. Mythwrite is not affiliated with or endorsed by Atticus.