Beyond spell-check, Grammarly rewrites sentences, tunes tone and flags clarity — across nearly every text box you use.
A cross-platform writing helper with browser extension, desktop and Office integration. Free tier fixes grammar; paid adds generative rewrite, tone and full-document polish.
| Plan | Price | For who |
|---|---|---|
| Free | $0 | Basics |
| Premium | $12/月 | AI polish |
| Business | $15/月 | Teams |
Students, professionals and non-native writers for daily polish; leave deep creation to ChatGPT.
Below is what we found in real use: onboarding friction, output quality and stability.
Where it delivers the most value — useful when choosing.
| Tool | Key difference |
|---|---|
| ChatGPT | Stronger at deep writing and rewriting, but you must ask. |
| LanguageTool | Open-source, free and privacy-friendly — good for local use. |
| QuillBot | Focuses on paraphrasing and polishing. |
Use both. Grammarly corrects passively without breaking your flow; ChatGPT handles formal writing and deep tasks.
ChatGPT. Grammarly's Chinese support is mostly basic corrections; ChatGPT is far stronger for polishing and creation.
Grammarly's free tier handles everyday correction; ChatGPT's free tier is enough for formal writing.