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Grammarly

Grammarly is an AI writing assistant that checks grammar, spelling, and tone while offering rewrites and generative AI help. It includes a free plan and Pro tiers, working across apps, browsers, and devices.

FreemiumFree plan Writing

From USD 12 / month (billed annually)

Best for
Writing
Platforms
Web · browser extensions (Chrome · Safari · Firefox · Edge) · Windows · macOS · iOS · Android · Microsoft Office · Google Docs
Visit Website (opens in a new tab)
Grammarly AI writing tool cover image

Overview

Grammarly is an AI writing assistant that helps users write clearly and confidently across more than 500,000 apps and websites. It provides real-time suggestions for grammar, spelling, punctuation, clarity, and tone, along with full-sentence rewrites and generative AI features for drafting and ideation. Tools like the plagiarism checker, tone detector, and style guides support both individual writers and teams that need to stay on-brand. Grammarly works via browser extensions, desktop apps for Windows and Mac, mobile keyboards for iPhone and Android, and integrations with Microsoft Office and Google Docs. A free plan covers essential writing suggestions; Pro adds advanced rewrites, tone adjustments, brand tones, and thousands of AI prompts, while Enterprise offers organization-wide controls. Now part of Superhuman, Grammarly is aimed at students, professionals, and teams who want polished, effective writing everywhere they type. It is listed in the writing tools category, and many writers pair it with AI assistants such as ChatGPT for drafting and research. Want ready-made starting points? Browse our Grammarly Prompts library at https://aitoolzreview.com/prompts/grammarly/ — six copy-ready prompts for emails, tone, and clarity edits.

Key Features

  • Real-time grammar, spelling, and punctuation checks
  • Full-sentence rewrites and tone adjustments
  • Generative AI for drafting, rewriting, and ideation
  • Plagiarism checker and citation tools
  • Tone detector and reader reaction insights
  • Style guides and brand tones for teams
  • Works across browsers, desktop, mobile, MS Office, and Google Docs

Use Cases

Pricing

Plan features, usage limits and billing options may change. Check the provider for current details.

Check current plans on the official website

Platforms / Availability

  • Web
  • browser extensions (Chrome
  • Safari
  • Firefox
  • Edge)
  • Windows
  • macOS
  • iOS
  • Android
  • Microsoft Office
  • Google Docs