Correct, natural English in every Mac app you write in
AI academic writing tool and research assistant for researchers and students
Stage
Not given
Established
Founded
Not given
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Based in
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SG
Pricing model
Freemium
Freemium
Pricing
Free: unlimited spelling, 30 grammar checks, 10 AI actions and 20 predictions per day. Pro: $144/year or $20/month, everything unlimited. Team: $15/seat/month or $180/year per seat.
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 spelling and grammar correction in any macOS app
Fixes explained in your language (11 languages supported)
Tone checking and adjustment for different contexts
Rewrite and rephrase suggestions
Explain incoming messages and generate replies
Write in your language and get English translations
Word predictions and auto-complete
Personal dictionary and learning words
Works in Mail, Slack, Teams, GitHub, Notion and 10+ other apps
Team plan with shared brand rules and dictionaries
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
Designed specifically for non-native English speakers with fixes explained in 11 languages
Works in-app without switching windows or copying and pasting
Cloud checks discarded immediately, never stored or used for training
Unlimited spelling fixes even on free plan with no account required
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