Stack Score

Editorial pick✓ Verified working

Grammarly

AI writing assistance everywhere you write.

Try Grammarly✓ Free trial available

Best for

Professionals and teams who write across many apps and want consistent, ubiquitous editing without thinking about it.

At a glance

Pricing: freemiumfrom $12/mo
Setup time: 5 minutes
Learning curve: easy
Last verified: 5/18/2026

What we love

✓Works everywhere you type — best ubiquity of any writing tool
✓Tone and clarity feedback is genuinely useful
✓Team style guides keep voice consistent at scale
✓Solid offline-friendly desktop apps

Where it falls short

−Overcorrects creative voice and idioms
−Generative AI is weaker than ChatGPT or Claude
−Privacy questions around enterprise data collection

Pricing

✓ Pricing verified Jun 21, 2026

4 tiers

Free

forever

✓Grammar and spelling
✓Tone detector
✓100 AI prompts/month

Pro

$12

per month, $144/yr

✓Full clarity suggestions
✓2000 AI prompts/month
✓Plagiarism

Business

$15

per seat / month

✓Style guide
✓Brand voice
✓Analytics dashboard

Enterprise

Custom

annual

✓SSO
✓SCIM
✓SOC 2
✓Custom contracts

Why we picked it

Free tier catches typos. Premium is worth it if you write professional emails daily.
— MoreAI.tools editor

Overview

The original writing assistant, now AI-powered. Catches grammar, suggests rewrites for tone, generates first drafts, and works across Gmail, Word, Slack, browsers, and the web. Set-and-forget.

Key features

●Real-time grammar, spelling, and clarity suggestions
●Tone detector with audience-aware adjustments
●Generative AI for drafts, rewrites, and replies
●Browser extensions for Chrome, Edge, Firefox, Safari
●Native apps for Word, Outlook, Google Docs, Gmail
●Style guide and brand voice for teams
●Plagiarism detection on premium plans

Best use cases

Daily inbox polish

Catch typos and tighten tone in client emails without leaving Outlook or Gmail.

Team voice consistency

Enforce a shared style guide across marketing copy, support replies, and proposals.

ESL professional polish

Get suggestions on idiom and register from non-native English writers in business contexts.

Integrations

Microsoft Word

Outlook

Google Docs

Gmail

Chrome

Slack

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