Three tools that seem to overlap — but actually serve different purposes. Grammarly is the gold standard for grammar checking. QuillBot leads in paraphrasing. Wordtune rewrites sentences while keeping your voice. Which one do you need? It depends entirely on your use case.
Quick Comparison
| Feature | Grammarly | QuillBot | Wordtune |
|---|---|---|---|
| Score | ⭐ 4.7/5 | ⭐ 4.4/5 | ⭐ 4.2/5 |
| Grammar checking | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐ |
| Paraphrasing | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
| Tone control | ⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Free plan | Limited | Generous | Generous |
| Paid price | ~$12/mo | ~$8/mo | ~$10/mo |
Grammarly — The Most Complete Writing Assistant
Grammarly remains the industry standard for grammar correction in English. Its Chrome extension works across nearly every website — Gmail, Google Docs, LinkedIn, Slack. In 2026, the GrammarlyGO integration adds AI text generation on top of the correction engine.
Best for: Unbeatable grammar and spelling in English. Plagiarism detection (Business plan). Detailed tone suggestions. Works everywhere.
Drawbacks: Free plan is very restricted. Pricier than alternatives. Non-English support is limited.
Pick Grammarly if: You write primarily in English and need the most accurate grammar checker available.
QuillBot — The Paraphrasing King
QuillBot excels at one thing: reformulating text. Its 8 paraphrase modes (Standard, Fluency, Formal, Simple, Creative, Expand, Shorten, Custom) make it essential for students, translators, and content creators who need to rewrite without plagiarizing.
Best for: Multi-mode paraphrasing. AI and plagiarism detection included in Premium. Long document summarization. Best price-to-value ratio.
Drawbacks: Grammar correction doesn't match Grammarly's level. Interface can feel overwhelming initially.
Pick QuillBot if: You need to paraphrase, summarize, or rewrite text efficiently — especially for academic work or content repurposing.
Wordtune — Rewrite Without Losing Your Voice
Wordtune takes a different approach: instead of correcting errors, it offers alternative phrasings to make your text sound better. Its "Rewrite" button generates 5-10 variants of selected text, keeping the meaning while changing the style.
Best for: Preserving your natural voice. Native Google Docs integration. Generous free plan (10 rewrites/day). Perfect for non-native English speakers.
Drawbacks: Doesn't fix grammatical errors. Works better in English than other languages. Less useful if you already write well.
Pick Wordtune if: You're a non-native English speaker, blogger, or professional who wants to improve text flow without sounding like AI.
The Bottom Line
- Writing mainly in English and need maximum accuracy? → Grammarly
- Need to paraphrase, summarize, or rewrite without plagiarizing? → QuillBot
- Want your text to sound more natural without losing your voice? → Wordtune
- Tight budget? → QuillBot (best value)
- Heavy Google Docs user? → Wordtune (smoothest native integration)
All three offer free plans worth trying before committing to paid.