ProWritingAid vs WRITER
WRITER uniquely has 13 features.
| ProWritingAid | WRITER | |
|---|---|---|
| Company | ||
| Founded | 2012 | 2020 |
| HQ | London, United Kingdom | San Francisco, USA |
| AI model | Proprietary | Palmyra (proprietary LLMs, including Palmyra X5 with 1M-token context) |
| User base | 4 million+ | 500K+ |
| Platforms | Web, Chrome Extension, Firefox Extension, Edge Extension, Google Docs, Microsoft Word, Desktop Editor, Scrivener | Web, Chrome Extension, API, iOS (limited) |
| Languages | English only | 20+ |
| Pricing | ||
| Pricing model | — | Subscription |
| Free plan | Yes — 500 word limit, 2 report runs/day, 3 Sparks/day, 10 Rephrases/day | No |
| Free trial | Yes — Free plan available with limited features; 3-day money-back on paid plans | Yes |
| Starting price | $10.00/mo (Premium, billed yearly at $120/yr) | Free trial available; paid plans not publicly priced per seat on pricing page |
| Enterprise | — | Contact sales |
| Refund policy | 3-day money-back guarantee on yearly and lifetime plans; no refunds on monthly plans | — |
| All plans | Premium$30/moPremium Pro$36/moPremium Lifetime$399 one-timePremium Pro Lifetime$699 one-time | StarterNot publicly statedEnterpriseCustom pricing |
| Positioning | ||
| Best for | Novelists, fiction writers, and long-form content creators seeking deep editing and style analysis | Large organizations scaling agentic workflows with control and compliance |
| Differentiator | ProWritingAid offers the most in-depth manuscript-level analysis with 25+ writing reports, Chapter Critique, and Virtual Beta Reader specifically tailored for fiction and long-form storytelling—going far beyond grammar checking. | Agentic workflows with Knowledge Graph, granular governance, and full LLM interoperability |
| Competitors | Grammarly, Hemingway Editor, Scrivener, AutoCrit, Wordtune | Jasper, Copy.ai, Notion AI, Grammarly Business, Persado |
| Features | ||
| Agent Governance | — | ✓ |
| Brand & Voice Profiles | — | ✓ |
| Cross Team Workflows | — | ✓ |
| Knowledge Graph | — | ✓ |
| LLM Interoperability | — | ✓ |
| Playbooks & Routines | — | ✓ |
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Basic — custom style guide and terminology management on Premium | Deep — Personality profiles, style guides, departmental brand/voice profiles, guardrails enforced across all outputs |
| Bulk Generation | ✕ | ✓ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | No | Built-in — image generation listed as a platform capability in the feature comparison table |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available as add-on Story Credits purchase | — |
| SEO Optimization | ✕ | ✓ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | ✕ | ✓ |
| Chrome Extension | ✓ | ✓ |
| CMS | No | WordPress, and enterprise CMS via advanced connectors |
| Google Docs | ✓ | ✓ |
| Key Integrations | Microsoft Word, Google Docs, Scrivener, Chrome Extension, Firefox Extension, Edge Extension, Desktop Editor | Salesforce, Figma, Slack, Google Drive, SharePoint, HubSpot, Confluence, Box, enterprise identity/SSO (SAML), SCIM provisioning, third-party guardrails, custom LLMs |
| Wordpress | ✕ | ✓ |
| Zapier | ✕ | ✓ |

