Reviewed tool profile

Grammarly

AI writing assistant that proofreads, rewrites and adjusts tone in almost any app you type in.

Sources checked Sep 30

Pricing: Free for basic corrections and 100 AI prompts a month. Pro costs $12 per member per month billed annually, or $30 billed monthly. Enterprise is priced through sales. Official source 1 ↗
Available as: Browser extensions for Chrome, Firefox, Edge and Safari, desktop apps for Windows and Mac, Android and iOS apps, and a web editor. Official source 1 ↗
Primary group: Writing & Language

What it does

Grammarly is an AI writing assistant that gives personalised suggestions and generates text inside the apps and websites you already use.

Proofreading and clarity. Catches typos, punctuation, grammar and confused words, and suggests more concise phrasing. Official source 1 ↗
Full-paragraph rewrites and tone. Accept whole-paragraph rewrites in one click and shift tone from formal to friendly. Official source 1 ↗
Writing agents. Agents such as Paraphraser, Proofreader, Reader Reactions, Humanizer and AI Detector work at different stages of a draft. Official source 1 ↗ · Official source 2 ↗
Docs editor. Docs is Grammarly's AI-native document editor, built for working with the agents from first idea to final draft. Official source 1 ↗
Team style guides and brand tones. Teams can share style guides, brand tones and snippets; Enterprise adds SSO, data loss prevention and BYOK encryption. Official source 1 ↗

$0per month

Corrections, tone detection and 100 AI prompts a month. Official source 1 ↗

$12 per member (billed annually); $30 monthlyper month

Sentence rewrites, tone adjustment, plagiarism and AI detection, 2,000 prompts per member. Official source 1 ↗

Contact salescustom

Unlimited prompts, dedicated support and admin security controls. Official source 1 ↗

Annual billing saves up to 60% versus monthly; Pro can be trialled for $0. Official source 1 ↗ · Official source 2 ↗

The free plan includes 100 AI prompts a month, against 2,000 per member on Pro. Official source 1 ↗

Polishing everyday work emails and documents before sending. Official source 1 ↗

Keeping support and marketing replies on brand inside tools such as Zendesk. Official source 1 ↗

Rewrites and detection need Pro. Full-sentence rewrites, tone adjustment, plagiarism and AI-text detection are not in the free plan. Official source 1 ↗
Enterprise sold through Superhuman. Enterprise plans are now sold through the parent company's Superhuman Go offering. Official source 1 ↗