One-line positioning
Not just grammar — a writing copilot that helps you think before writing and polish after
Grammarly started as a spell-checker and is now a full English-writing assistant — grammar, tone, rewrites, and generation (GrammarlyGO) in one. Its biggest trait is "it follows you everywhere you write": browser, Word, email, phone keyboard — you barely notice it, but it's always catching your back.
Getting Started (based on community-tested notes, not first-person)
Note: compiled from official docs and user-community experience, rewritten and condensed by editors — not a claim that we tested each point ourselves.
- Pick a tier: Free covers basic spelling/grammar; serious writers unlock tone, rewrites, and plagiarism with Premium at $12/mo (yr-billed; ~$30/mo if monthly); teams add style with Business at $15/seat/mo (yr-billed, 3 seats min).
- Install: browser extension plus desktop app; real-time suggestions in email, docs, and social inputs.
- Use the AI layer: GrammarlyGO drafts, continues, and re-tones right inside the editor.
Real Pain (community consensus)
Note: recurring pain points reported across the community, condensed by editors, not individually verified by us.
- Over-corrects: sometimes changes "correct" to "smoother"; you need to know enough to reject it.
- Weak on Chinese: it's fundamentally an English tool; Chinese correction is near useless, and mixed writing confuses it.
- Paywall creeping: more useful features (tone, plagiarism) move into Premium; Free keeps getting "baser".
- Merged into Superhuman in 2026: the roadmap is shifting from "corrector" toward a "mail/writing OS"; old users worry about feature drift.
Hard Comparison (one-line verdicts)
- QuillBot: stronger paraphrasing, cheaper; but Grammarly wins on real-time cross-app embedding and correction breadth.
- Word's built-in check: zero cost, fine for daily; but Grammarly is cross-app, smarter on tone and AI generation.
Who It's For / Not For
- For: frequent English writers (email, papers, overseas social), non-native writers, companies unifying team tone.
- Not for: mainly-Chinese writers, those needing deep academic plagiarism checks (it's weak), or minimalists who hate live prompts.
Editor's Take (our site's view)
Note: our judgment from a cross-border content / English-output angle.
When we send English proposals to overseas clients and write English cases, Grammarly is the baseline insurance — the low-level grammar errors it catches cost far less than hiring a proofreader. But don't deify it: it guarantees "no mistakes," not "well written" — copy that truly moves people still comes from you. Advice: non-native writers must get Premium, teams use Business to lock style. After the 2026 Superhuman merge the roadmap leans email; if you only use it for correction, short-term fine, but long-term watch you don't get locked into an ecosystem you don't want.
Ratings
Correction power: ★★★★★
Coverage: ★★★★★
AI generation: ★★★★☆
Chinese support: ★☆☆☆☆