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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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supermemory™
✓ verifiedFreemium
Developer API that gives AI agents persistent memory, retrieval, and connectors, usable both as infrastructure and a personal app.
174K visits/mo
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TanyaPDF
✓ verifiedFreemium
Indonesian AI chat tool that lets students, researchers, and professionals ask questions directly against uploaded PDF documents.
1.2K visits/mo
Pricing
No public pricing
No public pricing
Free: $0/mo (~$5/mo of usage included)
Pro: $19/mo (~$20/mo of usage, unlimited storage, 2 teammates)
Max: $100/mo (~$130/mo of usage, 6x Pro headroom)
Scale: $399/mo (~$600/mo of usage, up to 10 teammates)
No public pricing
No public pricing
Core features
- ✦Lifelike voice AI agents
- ✦24/7 availability
- ✦Customer-led conversational platform
- ✦Integration with enterprise systems
- ✦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
- ✦Persistent, structured memory built as a knowledge graph
- ✦Sub-300ms hybrid retrieval (RAG) with reranking
- ✦Native filesystem mount for agent memory access
- ✦Connectors to Slack, Notion, Drive, Gmail, GitHub, S3
- ✦Automatic extraction from PDFs, images, and audio
- ✦User profile and behavior tracking across sessions
- ✦Upload a PDF and chat with its contents
- ✦Automatic document summarization
- ✦Saved conversation history per document
- ✦Indonesian-language interface
- ✦Built for academic, research, and professional documents
- ✦pdf chat
- ✦pdf summarizer
Use cases
- →Answering customer service calls
- →Providing information and support
- →Resolving customer issues
- →Automating call center operations
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →Developers adding long-term memory to AI agents
- →Teams building agents that need to sync with existing tools
- →Individuals wanting one memory layer shared across multiple AI assistants
- →Students getting help with thesis work and assignments
- →Researchers extracting key points from journal articles and books
- →Professionals reviewing legal contracts or financial reports
- →Answering multiple-choice study questions from course material
- →Talk with your books in a new way! PDF Summarizer lets you have back-and-forth chats with your books, making reading more fun and lively.
- →Make research easier with PDF Summarizer. Work together better and share what you know by simply chatting with scientific papers.
- →No more boring number work! Chat with your financial reports using PDF Summarizer and get quick answers just when you need them.
- →Not sure how to set up your device? Chat with the user manual through PDF Summarizer for quick, helpful guidance to get you started right away.
- →Stop struggling with hard-to-read legal terms! With PDF Summarizer, you can easily understand and talk about legal documents.
- →Make training more fun! PDF Summarizer turns training materials into chat partners, so learning feels as simple as talking with someone who knows the answers.
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