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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.
⇄ Comparison dimension — pick the market you're actually shopping in
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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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Readable
✓ verifiedPaid
Instant English-to-Japanese PDF translation preserving layout; useful focused tool.
87K visits/mo177 saves
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MediSearch
✓ verified
Search engine giving science-based answers to medical questions.
234K visits/mo8.6K saves
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Meilisearch
✓ verifiedFreemium
Fast, developer-friendly open-source search engine and AI retrieval platform offering full-text, semantic, and hybrid search.
198K visits/mo
Pricing
No public pricing
Free: $0/m
Pro: $12.4/m (Billed annually $149)
Pro Standard (Yearly): 800 /month
Pro Premium (Yearly): 4,000 /month
for Business: Contact for Pricing
No public pricing
Cloud: $20/mo (starting, usage/resource-based, 14-day free trial)
Free trial available
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
- ✦AI identifies key concepts automatically
- ✦Multiple question types supported
- ✦Adjustable difficulty levels
- ✦Works with any YouTube video — questions match video content
- ✦Handles multi-page documents — extracts text and generates instantly
- ✦Instant PDF translation
- ✦Layout preservation
- ✦Side-by-side English and Japanese viewing
- ✦Chrome extension for one-click translation
- ✦Translation without DeepL subscription (optional)
- ✦Direct answers to health questions
- ✦Answers based on trustworthy sources
- ✦Fast search results
- ✦Sub-50ms search-as-you-type
- ✦Full-text, semantic, and hybrid search
- ✦Vector storage for RAG and similarity queries
- ✦Multimodal and federated search
- ✦Filtering, faceting, sorting, and geosearch
- ✦Managed cloud or self-hosted open source
Use cases
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →Educators creating engaging assessments
- →HR professionals generating compliance assessments
- →Publishers scaling content creation efficiently
- →Translating English research papers into Japanese
- →Translating technical specifications from English to Japanese
- →Quickly understanding English documents in Japanese
- →Finding quick and accurate answers to medical questions.
- →Adding fast site or app search
- →Building AI/RAG retrieval pipelines
- →E-commerce and media search experiences
- →Semantic search over private data
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