| What it does | AI text improvement in one click via global hotkey for Windows
| AI academic writing tool and research assistant for researchers and students
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| Stage | Not given
| Established
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| Founded | Not given
| Not given
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| Based in | UA
| SG
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| Pricing model | Freemium
| Freemium
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| Pricing | Free version: $0 forever. Pro version: $9 one-time payment (no subscription).
| 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 | - Global hotkey text rewriting in any application
- Cloud AI via OpenRouter (GPT-4o, Claude, Gemini, Llama, DeepSeek, Mistral)
- Fully local AI via Ollama with zero network requests
- Unlimited custom prompts with dedicated hotkeys
- Local improvement history and operation tracking
- Privacy-preserving PII redaction for emails, phone numbers, and credit cards
- Diff preview to compare original vs AI result before applying
- Streaming responses to watch AI generation in real time
- Multilingual UI in English, Ukrainian, and Russian
- Native .NET 8 implementation without Electron
| - 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 | - Works in any application via global hotkey—Word, Outlook, VS Code, browsers, email clients—without window switching or copying
- Choose between cloud AI (OpenRouter) or fully local AI (Ollama) with full privacy and zero telemetry
- Free forever core with no subscription, no trial, and no nag screens; optional $9 one-time Pro upgrade
- Open-source code under MIT license allowing verification of program behavior and security
- Per-prompt model selection and separate hotkeys for different text tasks
| - 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) | 2 ▼ −1 (down) since last check | 72 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 26 |
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| Citation Flow (Majestic) | 20 | 43 |
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| Referring domains (Majestic) | 23 | 2313 |
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