AI academic writing tool and research assistant for researchers and students
Turn Substack articles into viral social posts
Stage
Established
Startup
Founded
Not given
2025
Based in
SG
Not given
Pricing model
Freemium
Freemium
Pricing
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.
Free: 10 credits (one-time). Monthly: $7/mo for 70 credits. Yearly: $65/yr for 600 credits.
Key features
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
TYPE-FORMULA pipeline that extracts insight types (diagnostic, wisdom, contrarian, data-backed, framework, story) and applies viral structures
Knowledge Bank to store, browse, and reuse extracted insights
10+ viral formula structures including parallel repetition, conditional framework, and bridge analogy
Chrome extension for scheduling posts directly to Substack
Rich-text editor with HTML and plain text export
MCP integration for Claude and Cursor
Automatic article URL processing from published or draft posts
Priority processing for paid plan users
What makes it different
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
Designed specifically for Substack writers with formulas trained on viral patterns
Two-stage TYPE-FORMULA process instead of generic AI summarization
Knowledge Bank compounds over time as more articles are processed
From URL to scheduled post in minutes with no copy-paste needed