ChatPDF vs Notability vs Collate

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
ChatPDF
vs
Competitor 1
Notability
Competitor 2
Collate
Competitor 3
Suggested competitors for ChatPDF: Humata84% Smallpdf AI PDF83% APAI PDF Reader83% PDF.ai82% ReadDocs80% LightPDF79% PDFConvo78% UPDF78%
Compare
3 tools · best value per row highlighted
Your tool ChatPDF
chatpdf.com
ChatPDF is a document question-answering app: upload a PDF, ask questions in plain language, and get answers with built-in citations that point back to the source passage.
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Competitor Notability
notability.com
Notability is a note-taking app that mixes handwriting, typed text, PDFs and audio with AI study tools.
Make main Remove
Competitor Collate
collate.one
Collate is a free, offline PDF assistant designed for everyday learners, students, and professionals who want to take control of their PDFs. With Collate, you can: • Summarize PDFs: Turn lengthy doc
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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4.1Kvisits/mo
MoM change
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▼ 59.8%
6-month growth
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-0.1%
Global rank web
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#4,822,608
Avg. last 3 months
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8.9K
Bounce rate lower is better
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37%
Pages / visit
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1.3
Visit duration
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2s
Traffic sources
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ChatPDFNotabilityCollate
03.3K6.5K9.8K13.1KCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1K1K10K100KCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
$1per month · free tier available
$9.99per month · free tier available
Free tier
Free trial
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API access
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Plans
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Starter FreeLite $11.99/yrPlus $15.99/yrPro $79.99/yr+3 more
Free Custom
Capabilities input → output
Input
DocumentsTextWeb pages
AudioDocumentsTextWeb pages
Documents
Output
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Education & LearningProductivity & OfficeVoice & SpeechWriting & Content+5 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
12
9
10
Summarizing
Interactive PDF processing
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PDF summaries
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PDFs
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Document summarization
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PDF analysis
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Document reading
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Summaries
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Note taking
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Document chat
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Flashcards
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Local AI
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PDF translations
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Question generation
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Quiz generation
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Research
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Transcription
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Academic research
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Class summaries
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Homework assistance
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Video summaries
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YouTube summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.