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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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Flalingo
✓ verifiedPaid
Online English school matching learners with native tutors, backed by an AI coach and a smart tutor-matching algorithm.
432K visits/mo
Pricing
No public pricing
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
- ✦Live lessons with native tutors
- ✦Smart tutor-matching algorithm
- ✦AI coach (FLAI) for progress tracking
- ✦24/7 live support
- ✦Oxford University Press materials
- ✦Accredited digital certificate after 30 hours
Use cases
- →Understand research papers
- →Study and homework help
- →Review contracts and reports
- →Translate and summarize documents
- →Learning English one-on-one with a tutor
- →Exam or business English preparation
- →Kids' and corporate English training
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