ProWritingAid

ProWritingAid is an AI-powered writing assistant that layers 25+ deep analysis reports — style, pacing, repetition, readability, dialogue and more — on top of grammar and spell checking, with AI Sparks, Rephrase, plagiarism checking and native editing inside Word, Google Docs, Scrivener, desktop apps and browsers.

What is ProWritingAid?

ProWritingAid is the power-user writing assistant: a grammar and spell checker on the surface, but underneath it runs 25+ specialized writing reports covering everything from overused words and sticky sentences to pacing, dialogue tags, readability and sentence-length variation. Unlike Grammarly’s one-size-fits-all model, you set a writing goal — fiction, academic, business, non-fiction — and the suggestions rebalance around it, which is why novelists and editors consistently prefer it. It works where writers actually live: native apps for Mac and Windows, a Word and Outlook add-in, Google Docs via browser extension, and — critically for fiction authors — deep Scrivener integration. Recent years added an AI layer: Sparks for brainstorming, unlimited Rephrase for rewriting, daily Chapter Critique, and Story Credits that run whole-manuscript analysis (Manuscript, Plot and Marketability) plus a Virtual Beta Reader. Pricing is unusual in the category: Premium at $120/year or $399 one-time lifetime, Premium Pro at $144/year or $699 lifetime, with the free plan genuinely usable for short text. It is English-only, has no mobile apps, and the sheer report depth is overkill for casual email writers — but for long-form and fiction, nothing in the mainstream comes close. It consistently scores 9/10 on TrustRadius.

Key Features

• 25+ Writing Reports — Grammar, style, overused words, sticky sentences, pacing, dialogue, readability and sentence-length variation in one click
• Rephrase — Unlimited AI rewriting with an expand control, available on every paid tier
• Sparks AI — Context-aware writing prompts to break through blocks (5/day on Premium, 50/day on Premium Pro)
• Chapter Critique — Daily AI critique of a chapter matched to your genre and voice (1/day Premium, 3/day Premium Pro)
• Story Credits — One-credit Manuscript, Plot and Marketability analysis plus a Virtual Beta Reader (up to 40-65% off for paid plans)
• Plagiarism Checker — Premium Pro scans against 1B+ web pages and published works (50 checks a year, more via credits)
• Scrivener, Word & Google Docs — Native editing inside the tools novelists and professionals already use
• Desktop Everywhere — Windows and Mac apps that bring ProWritingAid to Word, Outlook, Pages, Final Draft, Scrivener and more
• Browser Extensions — Chrome, Firefox and Edge coverage across Google Docs, Gmail, Notion, Wattpad and other writing sites
• Custom Style Guides & Terminology — Enforce brand voice, whitelist in-house words and set per-document writing goals
• Privacy Promise — ProWritingAid states it never uses your writing to train its AI models

Who is it for?

• Novelists and fiction authors who want deep developmental feedback on pacing, dialogue and prose rhythm
• Academic writers and students managing long papers, citations and plagiarism checks
• Non-native English speakers who want explanations and style coaching, not just corrections
• Editors, proofreaders and content marketers polishing large documents regularly
• Anyone tired of subscriptions who wants a genuine one-time lifetime license

Who is it NOT for?

• Casual writers who just want quick grammar fixes with no learning curve — Grammarly is friendlier
• Teams that need CRM/communication integrations, team analytics or brand-voice enforcement
• Anyone who needs mobile apps or Linux support — neither exists
• Multi-language users: it is English-only (LanguageTool covers 30+ languages)
• Short-term users — the lifetime price only beats recurring billing after roughly three years