AI writing
AI tool

Grammarly

Writing assistant that checks grammar, clarity and tone in real time across browsers and editors.

From $30/monthFree planGrammar checkingTone editingAI writingProofreading

Overview

Grammarly is a writing assistant that checks grammar, spelling, punctuation and clarity as you type, with suggestions shown inline so you can accept or dismiss each one. It offers tone detection, rewriting suggestions and a generative AI feature for drafting and replying to messages. Grammarly works inside browsers, Microsoft Office and Google Docs through a browser extension and a desktop app. It suits anyone who writes professionally in English, from students to business teams.

Best for: grammar and tone fixes, writing emails, blog posts and articles, essays and academic writing

Key features

  • Real-time grammar, spelling and punctuation corrections
  • Clarity and conciseness suggestions
  • Tone detection and adjustment recommendations
  • Generative AI for drafting and replying to messages
  • Style guide and vocabulary settings for teams

Pricing

Pricing model
Freemium
Monthly
From $30/month
Yearly
$144/year billed annually
Free plan
Yes
Free trial
Not on record
Last verified
Checked October 4, 2026

Pros

  • Works across nearly every writing surface through a browser extension
  • Real-time suggestions are easy to review without breaking flow
  • Free tier covers the core grammar checks

Cons

  • Advanced style and clarity suggestions are locked to paid plans
  • Suggestions can over-correct informal or creative writing
  • Strongest for English; limited support for other languages

Who should use it

  • Professionals who want real-time grammar and clarity checks
  • Writers who work across many tools and browsers
  • Teams that want a consistent style guide enforced automatically

Beginner, Intermediate · Individuals, Small teams, Mid-size teams, Enterprise

Who shouldn't

  • Generating full articles or marketing campaigns from scratch
  • Non-English writing beyond basic spell-check support

Facts

Category
AI writing
Platforms
Web, macOS, Windows, Browser extension, iOS, Android
Integrations
Microsoft Word, Google Docs, Chrome, Slack, Outlook, Gmail
API
Not on record
Skill level
Beginner, Intermediate
Team size
Individuals, Small teams, Mid-size teams, Enterprise
Data and privacy
We have no verified details on data handling. Read the vendor's privacy policy before uploading sensitive material.

Alternatives

Frequently asked questions

How much does Grammarly cost?

From $30/month. $144/year billed annually. Checked October 4, 2026.

Does Grammarly have a free plan?

Yes. Grammarly has a free plan.

Who is Grammarly best for?

Professionals who want real-time grammar and clarity checks; Writers who work across many tools and browsers; Teams that want a consistent style guide enforced automatically.

Which platforms does Grammarly run on?

Web, macOS, Windows, Browser extension, iOS, Android.

Does Grammarly have an API?

Our data does not list a public API for Grammarly.

What are the alternatives to Grammarly?

Tools often weighed against Grammarly include QuillBot, Wordtune, Hemingway Editor, Jasper.