Grammarly
Best for anyone writing a lot of original content who wants real-time grammar, clarity, and tone help across every app. It refines existing writing rather than generating from scratch, and Pro is pricier than paraphrase-focused rivals.
What it is
Grammarly is the most widely adopted AI writing assistant, with over 40 million daily users, offering real-time grammar, spelling, clarity, and tone suggestions across browsers, Word, Google Docs, email, and more. It polishes writing without copy-pasting. Its paraphrasing and generation features are secondary to its core grammar and clarity strengths.
Categories
Good for
Newsletter writers, Course creators
Frequently asked questions
How much does Grammarly cost?
Grammarly has a free tier, with Pro around $12 per month on annual billing (about $144 per year). Team and enterprise plans are priced per member.
Is Grammarly free?
Yes. The free plan covers core grammar, spelling, and basic clarity checks, with Pro adding tone, full rewrites, and advanced suggestions.
What is Grammarly best at?
Grammar and clarity across apps. It works nearly everywhere you write and is the safer default for catching mistakes in original content.
How does Grammarly compare to QuillBot?
Grammarly is stronger for grammar correction across many apps, while QuillBot is cheaper and better for paraphrasing and summarizing existing text.
Does Grammarly write content from scratch?
It has generative features, but its core strength is refining what you have written. For generating long content, a dedicated AI writer fits better.