Atticus vs Vellum: Best Book Formatting Software

You've finished your manuscript. You've revised it, sent it through beta readers, hired an editor. Now you need to turn a Word document into a real book. Ebook files for Kindle, Apple Books, and Kobo. A print-ready PDF for Amazon KDP or IngramSpark. Chapter headings that look professional. Scene breaks that don't disappear. A table of contents that actually works.

Formatting software handles all of this. The two leading options for self-publishers are Vellum and Atticus. They solve the same problem with different tradeoffs in price, platform availability, output quality, and flexibility.

Pricing

Vellum costs $249.99 for ebook-only formatting or $299.99 for ebook plus print. One-time purchase, unlimited books, lifetime updates. No subscription.

Atticus costs $147. One-time purchase. That single price covers ebook formatting, print formatting, and a built-in writing editor. Lifetime updates included.

The math is straightforward. Atticus saves you $153 over Vellum's full package and includes a writing environment on top. For writers publishing their first book who aren't sure self-publishing will become a long-term business, that price difference matters. For writers who've already published ten books, the cost per book becomes negligible either way.

Neither tool charges per export or per book. You pay once, format as many titles as you want. Both companies have honored the lifetime update promise since launch.

Platform Support

Vellum runs on Mac only. macOS 11.0 (Big Sur) or later. No Windows version. No Linux version. No web app. No workaround short of renting a Mac through a cloud service like MacinCloud, which adds monthly costs and latency.

Atticus runs on Mac, Windows, Linux, and Chromebook. It's a locally installed app built on web technology, which means it works on any desktop operating system with a modern browser engine. Your projects save locally and sync through your Atticus account if you work across machines.

For Mac users, both options are available. For everyone else, Atticus is the only choice in this comparison. That single constraint eliminates Vellum for a large percentage of self-publishers.

Ebook Output Quality

Vellum's ebook files are the benchmark. The generated ePub and Kindle files render consistently across every device and reading app. Chapter headings scale correctly on small screens. Scene break ornaments display without breaking. The table of contents links work on every platform. Retailers accept Vellum files without complaints, and readers never notice the formatting because it never fails.

Vellum also generates retailer-specific files. You get separate exports optimized for Kindle, Apple Books, Kobo, Nook, and Google Play. Each file accounts for the quirks of that platform's rendering engine. This matters more than most writers realize. An ePub that looks perfect in Apple Books can display incorrectly on an older Kindle. Vellum handles those differences automatically.

Atticus generates ePub and Kindle files that look professional and work correctly on major platforms. The output is good. For most readers, the difference between an Atticus ebook and a Vellum ebook is invisible. Where the gap shows is in edge cases: unusual characters, complex front matter, embedded images, or older e-reader devices. Atticus has improved steadily since launch, and the gap has narrowed, but Vellum's decade-long head start in testing across devices still shows in the details.

Print Output Quality

This is where the difference between the two tools becomes visible to anyone holding the finished book.

Vellum's print output looks like it came from a traditional publisher. The interior typography uses well-chosen fonts with proper kerning and leading. Chapter openings have decorative elements that match the book's style. Drop caps, if you use them, render cleanly. Margins and gutters are calibrated for different trim sizes. The PDF files upload to KDP and IngramSpark without manual adjustment.

Atticus produces print files that look professional and pass retailer validation. The typography is clean. The layouts work. But placed next to a Vellum interior, Atticus print output lacks the same level of typographic refinement. Spacing between paragraphs, the weight of decorative elements, and the handling of widows and orphans (short lines stranded at the top or bottom of a page) aren't as precise. For most readers, this won't register consciously. For authors who care about print as a craft object, it's noticeable.

Atticus has added more print features over time, including trim size options, custom margins, and header/footer control. The trajectory is toward parity with Vellum. It isn't there yet.

Style and Customization

Vellum offers around 20 built-in styles for both ebook and print. Each style controls the chapter heading design, font pairing, ornamental elements, and overall aesthetic. You pick a style, preview it instantly, and adjust individual elements (drop caps on or off, scene break style, heading alignment). The constraint is that you work within Vellum's design vocabulary. Custom fonts aren't supported. If none of the 20 styles match your vision, you're stuck.

Most writers find a Vellum style that works. The designs are tasteful and varied enough to cover literary fiction, genre fiction, and nonfiction. The "beautiful but constrained" philosophy means every option looks professional, but none look unusual.

Atticus offers a growing library of theme templates plus more granular control over individual elements. You can change fonts (from a curated list), adjust spacing, modify heading styles, and control more layout details than Vellum allows. The flexibility is greater. The risk is also greater: more control means more ways to produce output that looks amateur. Vellum's constraints protect you from bad design choices. Atticus trusts you to make good ones.

For writers who want to pick a style and move on, Vellum's approach saves time and guarantees quality. For writers who want to match a specific aesthetic or differentiate their books visually, Atticus offers more room.

The Writing Editor

Atticus includes a built-in writing environment. You can draft and organize your manuscript inside the same tool you'll use to format it. The editor provides chapter management, a word count tracker, goal-setting features, and a basic organizational sidebar. It's simpler than Scrivener, but functional enough for writers who want a single-app workflow.

Vellum has no writing environment. You write your book in Word, Scrivener, Google Docs, or whatever you prefer, then import the finished manuscript into Vellum for formatting. The import process is smooth. Vellum reads Word documents and recognizes chapter breaks, scene separators, and basic formatting. But the workflow always involves at least two tools.

Whether Atticus's editor matters depends on your existing setup. If you already own and like Scrivener, or if you draft in Google Docs, you don't need another writing tool. If you're starting fresh and want one application for everything, Atticus removes the need to buy separate software for writing and formatting.

Workflow and Speed

Vellum's workflow is fast because decisions are limited. Import your manuscript. Pick a style. Adjust a few settings. Preview. Export. A writer who has used Vellum before can format a standard novel in under thirty minutes. First-time users take an hour or two, mostly spent previewing different styles.

Atticus's workflow takes longer because it offers more choices. The additional customization options mean more decisions at each step. A first-time Atticus user should expect to spend a full afternoon getting comfortable with the interface and producing their first formatted book. Subsequent books go faster as you develop preferences and reuse settings.

For writers publishing frequently (four or more books per year), Vellum's speed advantage compounds. For writers publishing one or two books per year, the time difference is negligible.

Special Features

Vellum handles box sets natively. You can combine multiple books into a single ebook or print file with proper part divisions, individual title pages, and a unified table of contents. If you sell box sets on retailers, this feature alone justifies Vellum for some publishers.

Vellum also generates large print editions with a single click, adjusting font sizes and margins automatically. For authors who sell large print through IngramSpark or KDP, this saves hours of manual reformatting.

Atticus includes goal tracking and writing statistics that Vellum doesn't offer (because Vellum isn't a writing tool). If you write and format in Atticus, you get daily word count tracking, project goals, and basic analytics on your writing habits. Atticus also supports collaboration features, letting multiple users access a project.

Both tools handle front matter (title page, copyright page, dedication) and back matter (about the author, also-by pages, newsletter signup calls to action). Both generate clickable tables of contents for ebooks. Both support images embedded in the text, though neither handles image-heavy nonfiction well. For heavily illustrated books, neither tool replaces Adobe InDesign.

Who Should Buy Vellum

Buy Vellum if you own a Mac, you publish regularly, and you want the highest-quality output with the least effort. Vellum's ebook files are the most reliable in the industry. Its print interiors look traditionally published. The limited customization is a feature, not a bug. You pick a style, format your book, and get back to writing the next one.

Vellum also makes sense if you publish wide across multiple retailers. The platform-specific export files reduce formatting headaches with Kobo, Apple Books, and Nook, where ePub rendering can be inconsistent.

The $300 price tag is steep for a single book. By book three or four, the cost per title drops below what you'd pay a freelance formatter. By book ten, Vellum has paid for itself several times over.

Who Should Buy Atticus

Buy Atticus if you use Windows or Linux. That's the simplest decision point. Vellum doesn't exist on your platform, and Atticus produces professional output that works for both ebook and print.

Buy Atticus if you want one tool for writing and formatting and you don't need Scrivener's organizational depth. The all-in-one workflow eliminates the friction of moving files between applications.

Buy Atticus if you're budget-conscious. At $147, it costs half of Vellum's ebook-plus-print package and includes more functionality. For writers publishing their first or second book, the lower price reduces the financial risk of self-publishing.

Buy Atticus if you want more design control than Vellum provides. The growing template library and granular customization options let you build a visual identity for your books that goes beyond Vellum's preset styles.

When to Use Both

Some authors use Atticus for writing and Vellum for formatting. The workflow: draft in Atticus, export to Word, import into Vellum, format, publish. This gives you Atticus's writing features and Vellum's superior output quality. It also costs $447 total, which only makes sense if you're publishing enough books to justify the investment.

A more common pairing is Scrivener plus Vellum, which remains the standard workflow for Mac-based self-publishers writing complex fiction. Scrivener handles the writing and organization. Vellum handles the formatting. Each tool does what it does best.

The Practical Choice

If you own a Mac and publish more than two books per year, Vellum's output quality and formatting speed make it the stronger tool. The price is high, but the time savings and output quality justify it quickly.

If you're on Windows, Atticus is the obvious pick. Pair it with good manuscript preparation habits and the output will satisfy readers and retailers.

If you're on a Mac but publish infrequently, Atticus gives you professional results at a lower price point with the added benefit of a writing editor. You can always move to Vellum later if your publishing pace increases.

Both tools receive active development. Vellum adds new styles and print features regularly. Atticus ships updates frequently, closing the quality gap with each release. The competition between them benefits every self-publisher.

Pick the one that fits your platform, your budget, and your current publishing pace. Format your book. Ship it. Write the next one.