| What it does | AI workspace and notebook for long-form writing
| AI academic writing tool and research assistant for researchers and students
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: $0, includes one project with up to three documents, unlimited notes and version history, imported sources, and 50,000 lifetime starter AI tokens. Pro monthly: $9.99/month with 1,000,000 AI tokens per month. Pro annual: $69.99/year with 1,000,000 AI tokens per month.
| Monthly Plan, Annual Plan, Quarterly Plan available. Multi-year Plans: 2 years ($229) or 3 years ($289). Paperpal for Teams offers up to 25% savings on annual subscriptions. Student discounts available.
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| Key features | - AI writing operations scoped to a passage (expand, outline, strengthen, summarize, critique, tone, plot, rewrite)
- Long-form projects keeping notes, sources, documents, versions together
- Voice Profile keeps whole manuscripts in consistent voice
- Audio notes transcribed into the project
- Long-form editor with outline navigation, word goals, focus mode, and local style statistics
| - Grammar check with academic-grade suggestions trained on millions of scholarly edits
- Plagiarism checker against 99 billion sources
- AI paraphraser to restructure and improve academic tone
- Research and citation in 10,000+ citation styles
- Access to 250 million verified research articles
- Pre-submission checks for 1,500+ top journals
- Chat with PDFs to extract key insights
- Works across MS Word, Google Docs, Chrome, and Overleaf
- Translator for multiple languages
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| What makes it different | - All writing and organization features work without AI; AI is optional
- AI operates on your notes and sources, not a blank prompt, keeping context across sessions
- Text never used to train AI models; all writing remains private
- Every AI result appears as a suggestion beside the draft; nothing rewrites in place without approval
- One project holds multiple chapters with notes and sources; suitable for book-length manuscripts
| - Built exclusively for academic writing, trained on millions of scholarly articles
- All-in-one platform combining writing assistance, citations, plagiarism checks, and pre-submission support
- Works seamlessly within existing writing tools without switching applications
- Used by over 5 million researchers and trusted by 1,500+ journals
- Maintains academic integrity and originality of user work
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 43 ▼ −2 (down) since last check | 72 ● no change since last check |
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| Trust Flow (Majestic) | 18 | 26 |
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| Citation Flow (Majestic) | 35 | 43 |
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| Referring domains (Majestic) | 324 | 2313 |
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STRUT
Paperpal