Polypromote
Grammarly

Grammarly

Ship clear, error-free copy everywhere you write

88/100Scorecontent creation

Price

Free / $12/mo

Used by

40M+ people

Model

freemium

Best for

Writers & teams

Quick Verdict — Score: 88/100

The most reliable everywhere-you-write assistant for grammar, clarity, and tone. The generative AI is a useful bonus, but polishing existing copy is where Grammarly still beats everyone.

Who Is This For

Solo founders, indie hackers, and lean marketing teams who write across email, docs, browser, and social all day and want consistent, on-brand, error-free copy without leaving their tools. Non-native English writers who need fluency help. Teams wanting shared style guides and brand tones.

Who Is This NOT For

Writers who need a full long-form drafting engine or heavy AI content generation at scale — the 2,000 prompts/month cap on Pro and Grammarly's editing-first focus make dedicated tools like Jasper or Copy.ai a better fit. Fiction authors protective of a distinctive voice, since the AI can flatten style.

Pros

  • +Works natively across browsers, MS Word, email, and thousands of apps — no copy-paste workflow
  • +Best-in-class grammar, spelling, clarity, and tone suggestions that keep your own voice
  • +Generous permanent free plan covers spelling, grammar, tone, and 100 AI prompts/month
  • +Plagiarism and AI-text detection plus a citation generator built in
  • +Team features (shared style guide, brand tone, analytics) available on the affordable Pro tier

—Cons

  • -Pro's headline $12/mo rate reflects annual billing; month-to-month is meaningfully pricier
  • -AI prompt allowance is capped (2,000/member/month on Pro) unlike unlimited-generation rivals
  • -Not built for long-form drafting or organizing large documents
  • -AI rewrites can strip a distinctive or creative voice if applied carelessly
  • -Enterprise pricing is hidden behind sales
  • -Real-time suggestions can feel intrusive for confident writers

Key Features

Everywhere writing assistant: Browser extension, MS Word/Outlook add-in, and desktop app deliver suggestions in the apps you already use.
Grammar, spelling & clarity: Real-time correction of mistakes plus clarity and conciseness rewrites available even on the free plan.
Tone detection & adjustment: Sees how your writing sounds and lets you shift tone (confident, friendly, formal) with a click.
Full-sentence & paragraph rewrites: Pro rewrites entire sentences and paragraphs for flow, fluency, and impact.
Generative AI prompts: Draft, brainstorm, and reply with AI — 100 prompts/month on Free, 2,000/member/month on Pro.
Plagiarism & AI-text detection: Checks work against billions of web pages and flags AI-generated text; includes a citation generator.
Team style guide & brand tones: Pro adds a shared style guide, brand tone, snippets, and knowledge share to keep a team consistent.
Analytics & admin controls: Team and individual analytics, account roles, permissions, and a Feature Management Hub.

Pricing Breakdown

  • Free — $0/month: spelling & grammar checks, tone insights, and 100 AI prompts/month
  • Pro — $12/month (billed annually): full-sentence rewrites, tone adjustment, unlimited suggestions, plagiarism & AI detection, 2,000 AI prompts/member/month, style guide, brand tone, team analytics
  • Enterprise — Custom (contact sales): proactive AI everywhere, BYOK encryption, SAML SSO/SCIM, DLP, unlimited style guides & brand tones, unlimited AI prompts, dedicated support

Starting Price

Free / $12/mo

Pricing Model

freemium

Free Tier

Yes

Quick Setup Guide

  1. Create a free account at grammarly.com and confirm your email
  2. Install the browser extension, the MS Word/Outlook add-in, and/or the desktop app for where you write most
  3. Set your language variant (US, UK, etc.) and writing goals so suggestions match your audience and tone
  4. Start writing — accept or dismiss the underlined suggestions as they appear in real time
  5. Start the 7-day free Pro trial to unlock rewrites, plagiarism/AI detection, and higher AI prompt limits
  6. For teams, add members and configure a shared style guide and brand tone under the Pro admin settings

Bottom Line

Grammarly remains the default writing assistant for anyone who wants clean, clear, on-tone copy without changing how they work — it lives inside your browser, docs, and email rather than making you paste into a separate app. The free plan is genuinely useful, and Pro at $12/mo (annual) adds rewrites, plagiarism detection, and lightweight team features. It is an editing-first tool, so pair it with a dedicated generator if you need to produce long-form or high-volume AI content.

What Users Say

Genuine reviews from public platforms. Each linked to its source. How our reviews work →

B

Brian Lawrence (@bingeisland)

via Product Hunt
Source

I write a lot - for documentation, articles and website copy. Grammarly helps to keep me on point with spelling, grammar, and anything else I might be missing while I'm pumping out content.

H

Hans Liao (@hans_liao1)

via Product Hunt
Source

Its extension is useful in terms of grammar correction, which brings me confidence while generating my blog posts. What I don't like about this product is its price, which is way too high due to its limited functionality.

K

Katherine R. (School Administrator, Primary/Secondary Education)

via Capterra
Source

The plagiarism checker detected three cases of plagiarized material in student recommendation letters.

Alternatives to Grammarly

QuillBot

84/100$8.33/mo (billed annually)

Paraphrasing-first writing tool with grammar checking and a summarizer; cheaper and stronger at rewording, weaker on everywhere-you-write integration.

Jasper AI

92/100$69/mo

Dedicated AI content generator for long-form and marketing copy at scale — better for producing content, not polishing it.

Ready to try Grammarly?

Starting from Free / $12/mo

Try Grammarly Now