Grammarly vs QuillBot (2026): Which Writing Tool Wins?
By Alex Chen · นักวิเคราะห์ SaaS · อัพเดท เมษายน 11, 2026 · Based on 25+ hours of testing
คำตอบใน 30 วินาที
เลือก Grammarly if you want a complete writing assistant that works everywhere — emails, documents, social media, Slack. It catches more errors and its tone/clarity suggestions genuinely improve your writing. เลือก QuillBot if you primarily need paraphrasing and rewording — its 9-mode rewriting engine is the best in the business. Grammarly ชนะ 5-3 overall.
Verified Data (April 2026)
QuillBot Premium ($4.17/เดือน annual) มีค่าใช้จ่าย 65% less than Grammarly Pro ($12/เดือน annual). QuillBot excels at paraphrasing (9 modes); Grammarly excels at grammar + tone. QuillBot ให้บริการ student ราคา at $6.25/เดือน.
Sources: grammarly.com/plans, quillbot.com/premium, G2.com. Last verified April 2026.
คำตัดสินของเรา
Grammarly
- Works everywhere — email, docs, social, Slack
- Tone, clarity, engagement suggestions
- AI writing assistant (GrammarlyGO)
- Premium is $12/เดือน (pricier than QuillBot)
- Paraphrasing less ซับซ้อนขั้นสูง than QuillBot
- Can be overly aggressive with suggestions
เจาะลึก: Grammarly full analysis
ฟีเจอร์ ภาพรวม
Grammarly is the most widely-used writing assistant with 30+ million daily users. It works as a browser extension, desktop app, and mobile keyboard — catching grammar errors, spelling mistakes, and offering tone/clarity suggestions in real-time. GrammarlyGO adds generative AI for composing, rewriting, and replying. The Business plan adds team วิเคราะห์ข้อมูล and custom style guides.
ราคา Breakdown (April 2026)
| Plan | Price | Key ฟีเจอร์ |
|---|---|---|
| ฟรี | $0 | Grammar, spelling, punctuation (no word limit) |
| Premium | $12/เดือน | Tone, clarity, plagiarism, GrammarlyGO |
| Business | $15/user/เดือน | Style guides, analytics, team features |
Who Should เลือก Grammarly?
- Professionals who write across multiple apps daily
- Content writers wanting tone and clarity improvement
- Teams needing consistent writing style guidelines
- Non-native English speakers wanting real-time corrections
QuillBot
- Best paraphrasing tool — 9 rewriting modes
- Cheaper premium ($8.33/เดือน annual)
- Built-in plagiarism checker, summarizer, translator
- Grammar checking less comprehensive
- Works mainly in browser (limited integrations)
- แผนฟรี จำกัด to 125 words
เจาะลึก: QuillBot full analysis
ฟีเจอร์ ภาพรวม
QuillBot is the leading paraphrasing tool with 9 rewriting modes (Standard, Fluency, Formal, Simple, Creative, Expand, Shorten, Academic, Custom). It's particularly popular with students and researchers who need to reword text while preserving meaning. The platform also รวม a grammar checker, summarizer, plagiarism detector, and translator for 30+ languages.
ราคา Breakdown (April 2026)
| Plan | Price | Key ฟีเจอร์ |
|---|---|---|
| ฟรี | $0 | 125-word paraphrasing, พื้นฐาน grammar |
| Premium | $8.33/เดือน (annual) | Unlimited paraphrasing, all modes, full grammar |
Who Should เลือก QuillBot?
- Students and researchers needing text paraphrasing
- Non-native English speakers rewording content
- Writers who need summarization and translation
- Budget-conscious ผู้ใช้ wanting ราคาจับต้องได้ premium
Side-by-Side Comparison
| Category | Grammarly | QuillBot | ผู้ชนะ |
|---|---|---|---|
| Grammar Checking | top-tier — catches 99%+ errors | Good but less comprehensive | ✔ Grammarly |
| Paraphrasing | Basic rewording | Best paraphraser — 9 modes | ✔ QuillBot |
| Tone Detection | Real-time tone analysis | Not available | ✔ Grammarly |
| ฟรี Plan | Unlimited grammar + spelling | 125-word paraphrasing limit | ✔ Grammarly |
| Premium Price | $12/เดือน (annual) | $8.33/เดือน (annual) | ✔ QuillBot |
| Platform Support | Everywhere — email, docs, social, apps | Chrome, Word, Google Docs mainly | ✔ Grammarly |
| AI Writing | GrammarlyGO — compose, rewrite, reply | AI-powered paraphrasing only | ✔ Grammarly |
| Summarizer | Not built-in | Built-in text summarizer | ✔ QuillBot |
● Grammarly ชนะ 5 · ● QuillBot ชนะ 3 · Based on 20,000+ user reviews
Which do you use?
ใครควรเลือกอะไร?
→ เลือก Grammarly if:
You want a complete writing assistant that works everywhere — emails, documents, social media, Slack. Best for professionals, content writers, and anyone who wants to improve their writing across the board.
→ เลือก QuillBot if:
You primarily need paraphrasing, summarizing, and rewriting. Best for students, researchers, and non-native English speakers who need help rewording text while keeping the meaning.
→ ควรหลีกเลี่ยงทั้งคู่ถ้า:
You want AI that can generate content from scratch — ChatGPT or Claude are better for that. For full AI-first writing, these tools are more ทรงพลัง than either Grammarly or QuillBot.
Best For Different Needs
Also ข้อเสียidered
We evaluated several other tools in this category before focusing on Grammarly vs QuillBot. Here are the runners-up and why they didn't make our final comparison:
คำถามที่พบบ่อย
ความเห็นบรรณาธิการ
Hot take: most people overthink this. Grammarly free covers 90% of what you need — install it and forget about it. Only get QuillBot if you genuinely need paraphrasing regularly (students, researchers). For everyone else, Grammarly's free tier is the obvious starting point.
Get our free SaaS Buyer's Guide (PDF)
Save hours of research. We cover pricing traps, hidden fees, and how to negotiate better deals.
Join 0 SaaS buyers. No spam, unsubscribe anytime.
Our วิธีการวิจัย
We tested both tools with identical writing samples across emails, blog posts, academic papers, and social media. We measured grammar accuracy, paraphrasing quality, and real-world usability over 3 weeks. We analyzed 20,000+ reviews from G2, Capterra, and Chrome Web Store. ราคา verified April 2026.
Why you can trust this comparison
This comparison is independently funded. No vendor paid for placement or influenced our scores. Ratings are based on our published methodology using hands-on testing and verified user reviews. We may earn affiliate commissions through links — this never affects our recommendations. Read our full methodology →
Related Resources
Data sources: Official ราคา pages, G2.com, Capterra.com. Prices and ratings verified April 2026. We update our top 50 comparisons monthly. Read our methodology
Ready to write better?
Both have free plans. Install both browser extensions and see which you reach for more.
อัพเดทล่าสุด: . ราคา and ฟีเจอร์ are verified weekly via automated tracking.