Free tier available; Plus and Ultimate paid plans with credit system (1 credit per 100 words). One-time packages and monthly subscriptions available with money-back guarantee within 14 days.
Free: 100 welcome credits. Plus: US$29/month with 1,000 credits per month. Pro: US$59/month with 4,000 credits per month. Max: US$99/month with 10,000 credits per month. Yearly option saves 2 months (one payment for 10 months of the monthly price).
Key features
Paper analysis with scoring across multiple dimensions
Plagiarism detection and AI-written text identification
Citation style and consistency checking
Logical error and argumentation analysis
Grammar, spelling and inclusive language errors
Bibliography verification against trusted databases
Custom requirements upload for university-specific guidelines
Prioritized to-do list for revisions
Defense Studio with voice practice and recorded sessions
Page-by-page feedback with inline corrections
Write from documents, notes, talks, recordings, or ideas
Support for 100+ languages
Multiple input formats including PDF, Word, MP3, MP4
AI-powered chapter writing
Built-in editor with chat interface
Export in multiple formats: DOCX, EPUB, PDF, HTML, KDP pack
Cover and illustration generation
Specialized book skills for memoir, novel, biography
Unlimited web search for research
Unlimited book storage
What makes it different
Feedback typically delivered within 5 minutes using parallel processing
Comprehensive analysis across structure, logic, language, citations and plagiarism
Data protection with no training on user documents and user-controlled deletion
Money-back guarantee within 14 days if unsatisfied
Trusted by over 5000 students and universities globally
You retain full ownership and commercial rights to your finished book
Content not used to train AI models
Start writing with just a sentence or bring complete materials
Free tier includes 100 credits with no card required
All-in-one workspace from drafting through publication