Grammarly quietly sits in almost every text box you use and tells you when your writing is wrong, unclear, or comes across the wrong way. It's genuinely useful - but it also reads everything you type, and Premium isn't cheap. After living with it across email, docs and chat, here's whether it's worth it.
What is Grammarly?
Grammarly is an AI writing assistant that checks spelling, grammar, punctuation, clarity, tone and style as you type - in your browser, desktop apps, and a mobile keyboard. The free tier covers core corrections; Premium adds clarity rewrites, tone adjustments and generative AI help.
Hands-on
The reason Grammarly sticks is ubiquity: it works in Gmail, Docs, Slack, LinkedIn and most text fields, so you don't have to paste anything anywhere. The free tier alone catches the typos and grammar slips that slip past you when you're tired, and that's worth a lot on its own.
Premium's clarity and tone suggestions are where it earns its keep for professionals - it flags wordy sentences, suggests more confident phrasing, and warns when an email reads as harsh. It's not always right (sometimes it over-corrects voice into blandness), so treat it as a smart editor to accept or ignore, not an oracle.
What stands out
- Works everywhere you type. Browser, desktop and a mobile keyboard.
- Beyond grammar. Clarity, conciseness and tone, not just spelling.
- Tone detection. Tells you how your message is likely to land.
- Generative AI help. Drafting and rewriting on Premium.
The privacy trade-off
Worth being clear-eyed: to check your writing, Grammarly processes your text on its servers. The company states it doesn't sell your data, but if you handle confidential or regulated content, that flow matters - you can disable it on specific sites or fields. It's a reasonable trade for most personal and professional writing, but not something to run on highly sensitive documents.
Pricing
The free tier is genuinely useful for everyday correctness. Premium (around $12/month billed annually) unlocks clarity rewrites, tone and generative features - worth it if writing is a core part of your work, overkill if you just want typo-catching.
Who should use it - and who shouldn't
Use it if you write a lot of emails, docs or posts and want a always-on safety net; the free tier suits most people.
Skip Premium if you only need basic correction, or you regularly write confidential material you'd rather not send to a third party.
Our verdict
Grammarly is a genuinely helpful writing safety net that works almost everywhere, and its free tier is an easy recommendation. Premium is worth it for heavy writers but pricey for casual ones, and the always-reading-your-text model is a trade-off to weigh on sensitive content. As an everyday clarity check, though, it does its job well.
Frequently asked questions
Is Grammarly free?
Yes - a useful free tier covers spelling and grammar. Premium (~$12/month) adds clarity, tone and AI writing features.
Is Grammarly Premium worth it?
For heavy professional writers, yes - the clarity and tone suggestions add real value. For occasional typo-catching, the free tier is enough.
Is Grammarly a privacy risk?
It processes your text on its servers to analyze it. It says it doesn't sell data, but avoid running it on highly confidential material; you can disable it per-site.
Does it work offline?
Core checking needs a connection since analysis happens server-side.