| Website | wordtune.com | quillbot.com | grammarly.com |
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| Category | AI Writing | AI Writing | AI Writing |
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| Use cases | AI for Bloggers, AI for Marketers, AI for Students | AI for Bloggers, AI for Students | AI for Bloggers, AI for Students |
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| Pricing model | Freemium | Freemium | Freemium |
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| Starting price | From $6.99 per month | From $8.33 per month | From $12 per month |
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| Platforms | Browser Extension, iOS, Web | Android, Browser Extension, iOS, macOS, Web, Windows | Android, Browser Extension, iOS, macOS, Web, Windows |
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| Key features | - Context-based sentence rewrites
- Formal and casual tone switching
- Shorten and expand text
- AI suggestions: continue, explain, emphasize, counterpoint, conclusion
- Grammar and spelling checks (unlimited on all plans)
- Smart synonym finder
- Summarizer for documents, web pages and YouTube videos
- Smart Translate from 10 languages (incl. Hindi) into English
+1 more on the tool page | - Paraphraser with 9 modes plus custom modes
- Paraphrasing in 23 languages
- Grammar checker in 6 languages with tone insights
- Summarizer (1,200 words free, 6,000 on Premium)
- Plagiarism checker (25,000 words/month on Premium)
- AI detector and AI humanizer
- Citation generator
- Translator for 40+ languages
+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 |
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| Integrations | - Google Chrome extension
- Web editor
- iOS app
| - Google Chrome extension
- Microsoft Edge extension
- Safari extension
- Microsoft Word add-in
- Windows and macOS apps
- Android and iOS keyboards and apps
| - Google Docs
- Microsoft Word and Outlook
- Google Chrome, Edge, Firefox and Safari
- Windows and Mac desktop apps
- iPhone and Android keyboards
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| Best for | Professionals, marketers and students who rewrite emails, copy and assignments, and people who write in English as a second language | Students, researchers and bloggers who paraphrase, summarize, check plagiarism and cite sources on a budget | Students, professionals, bloggers and non-native English writers who want instant grammar, tone and clarity fixes wherever they write |
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| Pros | - Natural, context-aware rewrites with tone switching
- Translates Hindi and 9 other languages into English
- Summarizes articles, documents and YouTube videos
- Unlimited grammar checks even on the free plan
- 30% off for students, educators and non-profits
| - All-in-one toolkit: paraphraser, grammar, summarizer, plagiarism, citations
- Affordable Premium: $8.33/month (US) or ₹334/month (India), billed annually
- Paraphrasing in 23 languages and many modes
- Pause your subscription instead of canceling
- Works in Word, browsers and on phones
| - 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
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| Cons | - Free plan limited to 10 rewrites a day and 3 summaries a month
- No refunds; trial needs a card
- Priced in USD only, including in India
- Writes in English only
- Fewer tools than Quillbot (no plagiarism checker or citations)
| - Free plan paraphrases only 100 words at a time in 2 modes
- Uses inputs to train its AI by default (opt-outs available)
- Plagiarism checks capped at 25,000 words a month
- Premium price is shown for annual billing only
- Paraphrased text still needs a human check for meaning
| - 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)
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Wordtune
Quillbot
Grammarly