QuillBot vs Grammarly
QuillBot vs Grammarly: side-by-side comparison of features, pricing, pros and cons. Pick the right AI tool for your task.
QuillBot Best for: AI paraphrasing, summarizing, and grammar checking for students and writers | Grammarly Best for: AI writing assistant for grammar, style, tone, and clarity improvements | |
| Overview | AI writing tool with 35M monthly active users specializing in paraphrasing, summarizing, and grammar checking. Includes an AI Humanizer. Free 125 words; Premium $8.33/mo annual. | The leading AI writing assistant with 40M daily active users. Checks grammar, style, tone, and clarity across all apps via browser extension. Free 100 prompts/mo; Pro $12/mo annual. |
| Pricing | Freemium | Freemium |
| Users | 50M+ | 40M+ |
| Advantages | โ
35M MAU โ most widely used paraphrasing tool globally โ
Multiple paraphrase modes (Formal, Academic, Creative, Concise) for different contexts โ
AI Humanizer reduces detectability of AI-generated content โ
Citation generator supports MLA, APA, and Chicago formats โ
Premium at $8.33/mo annual is very affordable for students | โ
40M daily active users โ most widely adopted writing assistant โ
Works across all apps via browser extension โ no workflow change required โ
Tone detector identifies how messages read before sending โ
Free tier provides real grammar and style correction โ genuinely useful without paying โ
Microsoft Office and Google Docs integrations for native document editing |
| Disadvantages | โFree tier limited to 125-word paraphrasing โ major restriction for real use โParaphrasing tool raises academic integrity concerns in educational settings โAI Humanizer detection evasion not guaranteed as detection tools improve โFocused on transforming existing text โ not suitable for original content creation | โPro monthly rate ($30/mo) expensive โ annual commitment required for $12/mo โBusiness tier removed โ teams now require Enterprise pricing (contact sales) โContext-unaware corrections sometimes flag intentional stylistic choices as errors โGenerative AI features less sophisticated than purpose-built writing tools |
| Rating | โฆ | โฆ |
| Website | quillbot.com | grammarly.com |