Grammarly Review (2026)
An AI writing assistant that checks and improves your writing wherever you type. Best for: Polishing emails and documents across every app you use.
What is Grammarly?
Grammarly is one of the most widely used writing assistants in the world. It started with grammar and spelling checks and now uses generative AI to rewrite sentences, adjust tone and draft text on demand.
Its strength is availability: Grammarly works in browsers, desktop apps, email clients and word processors, so help appears wherever you write. The company has rebranded parts of its business under the Superhuman name and continues to expand into AI agents for writing.

What problems does Grammarly solve?
Here are the concrete pain points Grammarly addresses — and how it addresses them.
Embarrassing errors
Real-time grammar, spelling and punctuation checks.
Wrong tone in emails
Tone detection and rewrites make messages clearer or friendlier.
Wordy writing
Suggestions for concise, clear sentences.
Accidental plagiarism
Plagiarism checks against web content (Pro).
Key features and solutions
- Grammar and spelling. Context-aware corrections.
- Generative AI. Draft, rewrite and reply with prompts.
- Tone adjustments. Change formality and confidence.
- Plagiarism and AI detection. Check originality.
- Style guides. Team-wide terminology and rules.
Best use cases for Grammarly
- Professional emails
- Academic essays
- Reports and proposals
- Social media posts
- Non-native English writing
Who it's for: Students, professionals, non-native English speakers and teams.
Grammarly pricing
Grammarly's free plan covers basic corrections and limited AI prompts. Pro adds advanced suggestions, more AI usage and plagiarism checks, with enterprise plans for organisations. See the plans screenshot.

Pros and cons
Pros
- Works almost everywhere
- Reliable corrections
- Useful tone feedback
- Strong free plan
Cons
- Some suggestions can flatten your voice
- Premium features costly
- Privacy considerations for sensitive text
Grammarly vs alternatives
How Grammarly compares with QuillBot, ChatGPT, Jasper:
| Grammarly | QuillBot | ChatGPT | Jasper | |
|---|---|---|---|---|
| Category | AI Writing Tools | AI Writing Tools | AI Chatbots & Assistants | AI Writing Tools |
| Best for | Polishing emails and documents across every app you use | Students and writers who need paraphrasing and summarising | Everyday writing, brainstorming, analysis and multimodal tasks | Marketing teams producing on-brand content at scale |
| Pricing model | Freemium | Freemium | Freemium | Paid (free trial) |
| Free plan | Yes | Yes | Yes | Trial |
| Developer | Grammarly (Superhuman) | QuillBot (Learneo) | OpenAI | Jasper AI |
| Platforms | Browser extension, Windows, macOS, iOS, Android, Microsoft Office, Google Docs | Web, Chrome extension, Microsoft Word, macOS, iOS, Android | Web, iOS, Android, macOS, Windows | Web, Chrome extension, API |
Detailed head-to-head: Grammarly vs QuillBot
Verdict
Grammarly is the best everyday safety net for writing. QuillBot is better for paraphrasing, and ChatGPT for drafting from scratch, but nothing beats Grammarly's presence across apps.
Try Grammarly ↗Grammarly FAQ
Is Grammarly free?
Yes, the free plan covers basic grammar and spelling.
Does Grammarly use AI?
Yes, both for corrections and for generative writing help.
Grammarly or QuillBot?
Grammarly for proofreading everywhere; QuillBot for paraphrasing and summarising.