Compare: Grammarly: AI Writing Assistant and Grammar Checker App vs ProWritingAid: Grammar Checker & Paraphrasing Tool

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Metric	Grammarly: AI Writing Assistant and Grammar Checker App	ProWritingAid: Grammar Checker & Paraphrasing Tool
User count	35,000,000	200,000
Average rating	4.50	4.82
Rating count	43,106	7,018
Last updated	2026-07-08	2026-07-08
Size	43.96 MB	43.00 MB
Version	14.1310.0	2.8.24339

Short description	Write with confidence in Chrome. Grammarly offers AI-powered grammar, clarity, tone, and plagiarism checks with one-click drafts.	Boost your writing with ProWritingAid—advanced grammar checking, paraphrasing, and 25+ writing reports for clear, engaging content across major apps.
Full summary	Grammarly for Chrome is an always-on AI writing assistant that helps you write clearer, more compelling messages across Gmail, Google Docs, LinkedIn, and 500,000+ sites. Use one-click drafts and outlines to start faster, rewrite sentences for flow and engagement, adjust tone for any audience, and verify originality with built-in plagiarism detection and AI content safeguards. Real-time suggestions appear as you type so you can improve on the fly and learn why edits are recommended. Free tools cover grammar, spelling, punctuation, clarity, tone, and auto-citations; Pro adds advanced rewrites, audience insights, plagiarism checks, and team style guides. Superhuman Go (opt-in beta) provides a proactive AI companion to streamline tasks and minimize interruptions. Trusted by millions, Grammarly integrates across browsers and desktop apps while prioritizing user privacy and security.	ProWritingAid is a comprehensive self-editing Chrome extension designed to improve your writing confidence and quality instantly. Featuring a robust grammar checker, paraphrasing tool, and over 25 detailed writing reports, it helps you eliminate errors while enhancing style, readability, and engagement. Seamlessly integrate ProWritingAid with Google Docs, Notion, and more, and personalize your experience through custom dictionaries and style guides. Trusted by over 3 million writers, this tool ensures your text remains private and secure as you refine your work effortlessly. Whether you're drafting stories or business documents, ProWritingAid offers the support you need to craft polished, memorable writing.