AI academic writing tool and research assistant for researchers and students
Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
Stage
Established
Startup
Founded
Not given
2026
Based in
SG
AU
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.
Not given
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
Autocomplete with Tab to accept drafts
Error detection and fact-checking
Cross-app integration
Source attribution for every suggestion
Context-aware AI assistance
One-click pause and privacy control
Encrypted data storage
Read-only app connections
Natural writing style matching
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
Finishes sentences from your actual work history and connected files, not generic AI
Shows source for every suggestion so you can verify it before accepting
Catches mistakes and contradictions between what you're writing and your work history
Works inline in the apps you already use without installation
You stay the author with full control over what gets written
Paperpal
Opsis