Grammar, spelling, and tone checker
4.6 Bottom line: Grammarly is a top-tier writing tool, best known for real-time grammar checking. It has a free plan.
Grammarly is a writing assistant that checks grammar, spelling, clarity, and tone across the apps you already use. It flags errors and awkward phrasing in real time and suggests fixes, with added generative features for drafting and rewriting. You install it once, and it works in your browser and desktop programs.
| Tool | Rating | Free | From | Best known for |
|---|---|---|---|---|
| Grammarly (this tool) | 4.6 | Yes | $12/mo | Real-time grammar checking |
 QuillBot | 4.5 | Yes | $10/mo | Multiple paraphrasing modes |
 Writer | 4.5 | No | $29/mo | Brand and style enforcement |
| ProWritingAid | 4.5 | Yes | $10/mo | 20-plus writing reports |
Grammarly is an excellent writing tool, best known for real-time grammar checking. It offers a free plan, with paid upgrades from $12/mo.
What makes it different: Grammarly stands out for real-time grammar checking.
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