QuillBot vs Writesonic
Writesonic uniquely has 4 features · QuillBot uniquely has 1 feature.
| QuillBot | Writesonic | |
|---|---|---|
| Company | ||
| Founded | 2017 | 2021 |
| HQ | Chicago, USA | San Francisco, USA |
| AI model | Proprietary | GPT-4 and proprietary models |
| User base | 35M+ | 10,000+ marketing teams |
| Platforms | Web, iOS, Android, Chrome, Edge, Safari, macOS, Windows, Microsoft Word | Web, Chrome Extension, API, WordPress |
| Languages | 40+ | 50+ |
| Pricing | ||
| Free plan | Yes | No |
| Free trial | — | Yes — 7-day free trial, no credit card required |
| Starting price | — | $79/mo (Starter, billed annually) |
| Enterprise | — | Custom |
| Refund policy | 3-day money-back guarantee (known from training knowledge) | — |
| All plans | Premium$8.33/mo billed anuallyTeamsCustom | Starter$99/moBasic$249/moGrowth$499/moEnterpriseCustom |
| Positioning | ||
| Best for | Students, academics, professionals, and content creators needing paraphrasing, grammar checking, and AI writing assistance | Marketing teams, SEO professionals, and agencies seeking AI-powered content creation and AI search visibility optimization |
| Differentiator | All-in-one AI writing suite combining paraphrasing, grammar checking, plagiarism detection, AI humanizing, image generation, PDF tools, and citation generation in a single platform used by 35M+ writers across 180+ countries. | Writesonic uniquely combines AI search visibility tracking across 10 AI platforms with agentic content creation and citation-building workflows, closing the loop from gap identification to proven pipeline lift in one platform. |
| Competitors | Grammarly, Wordtune, Jasper, Copy.ai, Writesonic | Semrush, Ahrefs, Surfer SEO, Jasper AI, Copy.ai, BrightEdge, Conductor |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✓ | ✓ |
| Brand Voice | Basic — AI Humanizer helps text sound natural and like the user | Deep — up to 10 writing styles/brand voices on Growth, custom on Enterprise |
| Bulk Generation | — | ✓ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | — |
| Image Generation | Built-in — AI Image Generator and AI Image Editor included | — |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in | — |
| SEO Optimization | ✕ | ✓ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✓ | ✓ |
| Integrations | ||
| API Access | — | ✓ |
| Chrome Extension | ✓ | ✓ |
| CMS | No | WordPress |
| Google Docs | ✕ | ✕ |
| Key Integrations | Chrome extension, Edge extension, Safari extension, Microsoft Word add-in, iOS app, Android app, macOS app, Windows app | Google Analytics (GA4), Google Search Console, Looker Studio, Google Keyword Planner, WordPress, API, MCP |
| Wordpress | ✕ | ✓ |