ChatPDF vs NoteGPT vs ReadDocs vs Collate

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

Your tool
ChatPDF
vs
Competitor 1
NoteGPT
Competitor 2
ReadDocs
Competitor 3
Collate
Compare
4 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 NoteGPT
notegpt.io
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Competitor ReadDocs
readdocs.co.uk
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
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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
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Traffic estimated monthly website traffic
Monthly visits
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7.3Mvisits/mo
744visits/mo
4.1Kvisits/mo
MoM change
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▼ 9.2%
▲ 141.6%
▼ 59.8%
6-month growth
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-43.3%
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-0.1%
Global rank web
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#6,906
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#4,822,608
Avg. last 3 months
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8.2M
384
8.9K
Bounce rate lower is better
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44%
39%
37%
Pages / visit
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4.1
1.1
1.3
Visit duration
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4m 23s
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2s
Traffic sources
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● Direct 84% · ● Referral 15%
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ChatPDFNoteGPTReadDocsCollate
03.2M6.4M9.6M12.8MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MReadDocs · 101ReadDocs · 308ReadDocs · 744Collate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1K1001K10K100K1M10M100MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MReadDocs · 101ReadDocs · 308ReadDocs · 744Collate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$9per month
Free tier
$9.99per month · free tier available
Free tier
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Free trial
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API access
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Plans
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Pro $9/moUnlimited $19.92/moMax $69/mo
Free FreePro £9.99/moBusiness £29/mo
Free Custom
Capabilities input → output
Input
Web pagesTextDocuments
AudioDocumentsTextWeb pagesVideo
TextImagesDocuments
Documents
Output
Text
DataDocumentsImagesSlidesText
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Education & LearningProductivity & OfficeResearch & AnalyticsVideo Editing+16 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
9
10
8
Summarizing
Document summarization
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Summaries
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PDF summaries
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PDFs
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Interactive PDF processing
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PDF analysis
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Research
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Document summaries
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Video summaries
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Homework assistance
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Mind maps
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Note taking
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OCR
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Official documents q a
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Transcription
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Academic research
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Document reading
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Education
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Meeting summaries
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Podcasts
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Text to speech
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
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Prompts
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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.