ProWritingAid

ProWritingAid is a manuscript-level writing analysis tool built by Orpheus Technology Ltd, a London-registered company with its operational base in Oxford, UK. Founder Chris Banks started the project in 2012 while writing his own novel, and it has since grown into a platform the company says over 4 million writers use.

The core differentiator is depth over speed. Where Grammarly focuses on inline, sentence-level correction across the browser, ProWritingAid runs 25+ full-document reports built for authors: pacing, dialogue tags, overused words, sticky sentences, sensory detail, and style consistency across an entire manuscript. It integrates directly with Scrivener and Atticus, the two dominant long-form drafting and book-formatting tools, so authors edit inside their existing workflow instead of exporting chapters into a separate app.

What it actually is

ProWritingAid is a writing-analysis engine that plugs into wherever an author already drafts, rather than a standalone editor. It ships as a Chrome/Edge/Firefox extension, a Microsoft Word add-in, a Google Docs add-on, and native integrations with Scrivener and Atticus, the two most common long-form book-writing and formatting tools.

The report suite is the product. Beyond grammar and spelling, ProWritingAid runs dedicated checks like the Overused Words Report (flags weak, vague, or repetitive word choices across five categories), the Dialogue Tags Report (catches redundant “she said softly” constructions), the Sticky Sentences Report (measures glue-word density per sentence), and a Pacing Report that flags slow passages likely to lose reader interest. Chapter Critique and Virtual Beta Reader add AI-generated structural feedback closer to what a human editor or beta reader would flag.

This is deliberately different from Grammarly’s model. Grammarly optimizes for low-latency inline suggestions across any web text box. ProWritingAid optimizes for deep, full-manuscript passes that authors run periodically during revision, not every sentence they type.

When to pick ProWritingAid

• Editing a full novel or long-form manuscript. The report suite is designed around chapter- and book-length structure, not single paragraphs.
• You draft in Scrivener or format in Atticus. Native integration means no exporting chapters to a separate editor and back.
• You want pacing and dialogue diagnostics. No mainstream grammar checker offers a dedicated Pacing Report or Dialogue Tags Report at this depth.
• You’re revising for overused words and sticky sentences. These reports catch patterns invisible at the sentence level but obvious across a full draft.
• You want structured craft development, not just corrections. Premium Pro’s workshop library and coaching content target skill-building alongside editing.

When to pick something else

• Inline browser grammar checking: Grammarly. Better for Gmail, Docs, Slack, and everyday writing that never leaves the browser.
• Fast paraphrasing and citations: QuillBot. Nine rewrite modes and a citation generator built for students and quick rewrites, not manuscript structure.
• Voice-preserving sentence rewrites: Wordtune. Better for polishing tone on shorter professional text.
• Zero-to-one long-form drafting: Claude or ChatGPT. ProWritingAid analyzes and improves existing text; it does not draft chapters from a blank page.
• Fiction-specific AI co-writing: Sudowrite. Built for generative fiction drafting and brainstorming, which sits upstream of ProWritingAid’s editing pass.

Pricing

Subscription pricing verified 2026-07-02 via prowritingaid.com/pricing:

Enterprise (100+ seats) is custom-priced with premium account management, custom integrations, and SSO per prowritingaid.com/business.

All yearly and lifetime plans carry a 3-day money-back guarantee. Monthly subscriptions do not offer refunds but can be canceled anytime. The annual Premium plan rose from a historical $79/yr to $120/yr in the 2026 pricing restructure, a roughly 52% increase, so returning users should expect the new rate on renewal.

Against the alternatives