Koala AI vs ProWritingAid
Koala AI uniquely has 7 features · ProWritingAid uniquely has 2 features.
| Koala AI | ProWritingAid | |
|---|---|---|
| Company | ||
| Founded | 2022 | 2012 |
| HQ | — | London, United Kingdom |
| AI model | GPT-5, GPT-5.2, GPT-5 Mini, Claude 4.5 Sonnet | Proprietary |
| User base | 19,000+ paid users | 4 million+ |
| Platforms | Web | Web, Chrome Extension, Firefox Extension, Edge Extension, Google Docs, Microsoft Word, Desktop Editor, Scrivener |
| Languages | 25+ | English only |
| Pricing | ||
| Free plan | Yes — 5,000 free words, no credit card required | Yes — 500 word limit, 2 report runs/day, 3 Sparks/day, 10 Rephrases/day |
| Free trial | Yes — 5,000 free words on signup | Yes — Free plan available with limited features; 3-day money-back on paid plans |
| Starting price | $9/mo (Essentials) | $10.00/mo (Premium, billed yearly at $120/yr) |
| Refund policy | 15-day refund if fewer than 15,000 words and 100 messages used | 3-day money-back guarantee on yearly and lifetime plans; no refunds on monthly plans |
| All plans | Essentials$9/moProfessional$49/moBoost$99/moGrowth$179/moElite$350/moAdvanced$500/moScale I$750/moScale II$1,250/moScale III$2,000/mo | Premium$30/moPremium Pro$36/moPremium Lifetime$399 one-timePremium Pro Lifetime$699 one-time |
| Positioning | ||
| Best for | SEOs, content creators, bloggers, and agencies needing publish-ready long-form articles at scale | Novelists, fiction writers, and long-form content creators seeking deep editing and style analysis |
| Differentiator | Five-in-one SEO content platform combining Deep Research AI writing, real-time SERP analysis, automatic internal linking, AI image generation, and 1-click CMS publishing at the lowest price point in its class | 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. |
| Competitors | Jasper AI, Surfer SEO, Frase, Writesonic, SEO.ai, Article Forge | Grammarly, Hemingway Editor, Scrivener, AutoCrit, Wordtune |
| Features | ||
| AI Copywriting | ✓ | ✓ |
| AI Research | ✓ | ✕ |
| Brand Voice | Yes — 7 writing styles, 4 POVs, and custom tone of voice | Basic — custom style guide and terminology management on Premium |
| Bulk Generation | ✓ | ✕ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | Built-in — KoalaImages with multiple styles, premium models on Professional+, auto-embedded in articles | No |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | No | Built-in — available as add-on Story Credits purchase |
| SEO Optimization | ✓ | ✕ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✓ | ✕ |
| Integrations | ||
| API Access | ✓ | ✕ |
| Chrome Extension | — | ✓ |
| CMS | WordPress, Shopify, Webflow, Ghost | No |
| Google Docs | ✕ | ✓ |
| Key Integrations | WordPress, Shopify, Webflow, Ghost, Google Sheets, Zapier (via webhook), Make.com, Amazon (live product data) | Microsoft Word, Google Docs, Scrivener, Chrome Extension, Firefox Extension, Edge Extension, Desktop Editor |
| Wordpress | ✓ | ✕ |
| Zapier | ✓ | ✕ |