| Website | languagetool.org | grammarly.com | prowritingaid.com |
|---|
| Category | AI Writing | AI Writing | AI Writing |
|---|
| Use cases | AI for Bloggers, AI for Students | AI for Bloggers, AI for Students | AI for Authors, AI for Bloggers, AI for Students |
|---|
| Pricing model | Freemium | Freemium | Freemium |
|---|
| Starting price | From ₹249.96 per month | From $12 per month | From $10 per month |
|---|
| Platforms | API, Browser Extension, iOS, macOS, Self-hosted, Web, Windows | Android, Browser Extension, iOS, macOS, Web, Windows | Browser Extension, macOS, Web, Windows |
|---|
| Key features | - Grammar, spelling and punctuation checks in 30+ languages
- Advanced style suggestions (wordiness, repetition, informal tone)
- Semantic checks: dates, word confusion, double negation
- AI sentence paraphrasing (3/day free, unlimited on Premium)
- Personal dictionary and personal style guide
- Text statistics
- Picky mode for stricter checks
- Team style guide and team dictionary
+2 more on the tool page | - Real-time grammar, spelling and punctuation checks
- Tone detection and tone adjustment
- Full-sentence and paragraph rewrites
- Generative AI prompts (100 free, 2,000 on Plus/Pro)
- Plagiarism and AI-generated text detection
- Free AI Detector, no sign-up
- Humanizer and AI Detector agents
- Fluency help for English learners
+2 more on the tool page | - Grammar, spelling and punctuation checks
- 25+ writing analysis reports (style, pacing, overused words, echoes, dialogue tags)
- AI Rephrases and Sparks
- Chapter Critique for instant chapter feedback
- Story Canvas and Outline Crafter
- Story Credits: Manuscript, Plot and Character Analysis, Virtual Beta Reader
- Custom style guide and custom dictionary
- Author comparison
+2 more on the tool page |
|---|
| Integrations | - Chrome, Edge, Firefox, Safari and Opera
- Google Docs
- Microsoft Word
- Apple Pages and LibreOffice
- Gmail, Outlook (beta), Apple Mail and Thunderbird
- Windows, macOS and iOS apps
| - Google Docs
- Microsoft Word and Outlook
- Google Chrome, Edge, Firefox and Safari
- Windows and Mac desktop apps
- iPhone and Android keyboards
| - Microsoft Word
- Google Docs
- Scrivener and Vellum (Desktop Everywhere)
- Chrome, Edge and Firefox extensions
- Wattpad and Atticus
- Windows and Mac desktop apps
|
|---|
| Best for | Multilingual writers, students and professionals writing in English as a second language, and teams that need a shared style guide | Students, professionals, bloggers and non-native English writers who want instant grammar, tone and clarity fixes wherever they write | Novelists, non-fiction authors, students with long assignments and bloggers who want deep style feedback on long-form writing |
|---|
| Pros | - Checks 30+ languages and many English dialects
- Low-cost long-term plans (₹5,999 for 2 years in India)
- 14-day money-back guarantee, cancel anytime
- Browser add-on works without an account
- Open-source core can be self-hosted
| - Generous free plan with tone detection
- Works in browsers, Word, Google Docs and phone keyboards
- Affordable: Pro $12/month in the US, Plus ₹392/month in India
- Free AI Detector with no sign-up
- SOC 2 Type 2 report; never sells user content
| - 25+ in-depth reports go far beyond grammar
- Lifetime plan available ($399 in the US, ₹21,945 in India)
- Fiction tools: Chapter Critique, Manuscript Analysis, Virtual Beta Reader
- Works in Word, Google Docs and Scrivener
- Says it never stores text sent for analysis
|
|---|
| Cons | - Free version limited to 2,000 characters per text field
- Only 3 AI rephrasings a day on the free plan
- Fewer generative AI features than Grammarly
- No Hindi support (Tamil is supported)
- Self-hosted version lacks the AI-based rules
| - Full-sentence rewrites and plagiarism checks need a paid plan
- Free plan limited to 100 AI prompts a month
- English only
- Uses your writing to improve its products unless you change the controls
- AI detection is not 100% accurate (Grammarly says so itself)
| - Free plan checks only 500 words at a time
- English only
- Monthly plans are not refundable; 3-day guarantee on others
- Manuscript-level analysis needs paid Story Credits
- Plagiarism checks cost extra
|
|---|
LanguageTool
Grammarly
ProWritingAid