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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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ChatPDF
✓ verifiedFreemium
Popular tool to chat with PDFs and other documents, giving summaries and cited answers, with a free daily tier and no-signup start.
1.8M visits/mo43K saves
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RevisionDojo
✓ verifiedFreemium
IB/MYP exam-prep platform combining a large question bank, expert notes, flashcards, and AI-graded coursework feedback for IB students.
2.8M visits/mo
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Paperguide
✓ verifiedPaid
All-in-one research platform for reading, writing and managing papers; high traffic.
286K visits/mo4.1K saves
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Saner.ai
✓ verifiedFree trial
AI knowledge-management app oriented toward ADHD users.
298K visits/mo8.6K saves
Pricing
No public pricing
No public pricing
Free: $0/month
Starter: $9/month
Advanced: $16/month
Free: $0
Standard: $16/month
No public pricing
Core features
- ✦Chat with PDFs, Word, PowerPoint and text files
- ✦Summaries with cited sources
- ✦Multi-file chats via folders
- ✦Any-language upload and chat
- ✦Extra tools: AI writer, detector, flashcards, slides
- ✦No-signup quick start
- ✦35,000+ IB-style practice questions across subjects
- ✦Examiner-written study notes and textbooks
- ✦AI coursework grading for IA, EE, and TOK with rubric breakdowns
- ✦Flashcards and a custom test/exam builder
- ✦IB grade calculator and grade boundary lookup
- ✦Exemplar library of graded IB coursework
- ✦AI Search
- ✦Literature Review
- ✦AI Writer
- ✦Reference Manager
- ✦Chat with PDF
- ✦AI-powered note-taking and organization
- ✦Smart inbox for managing new notes
- ✦Tag suggestions using AI
- ✦Relevant note suggestions
- ✦AI writing assistance
- ✦Task management
- ✦Integration with other apps
- ✦AI Chatbot powered by ChatGPT, GPT-4o & Gemini
- ✦Available on multiple platforms (Web, iPhone, Apple Watch, macOS, Android)
- ✦Humanlike responses
- ✦Homework assistance
- ✦Proofreading
- ✦AI Writing Assistant
Use cases
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →IB students preparing for final exams with subject-specific question practice
- →Students seeking AI feedback on IA, EE, or TOK drafts before submission
- →MYP students building foundational subject knowledge
- →Students building personalized flashcard decks for revision
- →Finding relevant research papers and getting research-backed answers.
- →Analyzing papers faster with accurate data extraction.
- →Generating and polishing academic content using AI.
- →Streamlining citation and reference management.
- →Learning new knowledge
- →Brainstorming new ideas
- →Summarizing meeting notes
- →Creating newsletters
- →Synthesizing training documents
- →Get help with homework, from essays and compositions to math questions.
- →Proofread written work to create professional-grade documents.
- →Get personalized help with any writing project, from essays to social media posts.
- →Act as a travel agent.
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