A fully private writing aid for Mac that suggests the next words as you write
AI academic writing tool and research assistant for researchers and students
Stage
MVP
Established
Founded
2026
Not given
Based in
FR
SG
Pricing model
Paid
Freemium
Pricing
Free download. Studio license: €29 with Lightning, €39 by card. One-time purchase, 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.
Key features
Real-time text suggestions under cursor
Learns your writing style over time
Tone adjustment with '//' command
Translation while typing
Automatic typo correction
Emoji picker with keyboard shortcut
Usage ledger tracking keystrokes saved
Works offline after initial setup
Runs in Mail, Notes, Messages, Safari and most Mac apps
Encrypted local history
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
What makes it different
One-time purchase with no subscription or daily limits
Learns your personal style and tone
Works offline in any Mac app
Built-in translation for multiple languages
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