NoteGPT vs ChatPDF vs UPDF vs KnoWhiz

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

Your tool
NoteGPT
vs
Competitor 1
ChatPDF
Competitor 2
UPDF
Competitor 3
KnoWhiz
Compare
4 tools · best value per row highlighted
Your tool NoteGPT
notegpt.io
Remove
Competitor 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.
Make main Remove
Competitor UPDF
pdfassistant.ai
PDFs that work the way you need them to
Make main Remove
Competitor KnoWhiz
knowhiz.us
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
7.3Mvisits/mo
—
28.7Kvisits/mo
5Kvisits/mo
MoM change
▼ 9.2%
—
▼ 28.2%
▼ 4.2%
6-month growth
-43.3%
—
-27.5%
-56.5%
Global rank web
#6,906
—
#984,401
#3,544,642
Avg. last 3 months
8.2M
—
40.4K
6.9K
Bounce rate lower is better
44%
—
42%
38%
Pages / visit
4.1
—
2.1
1.9
Visit duration
4m 23s
—
19s
22s
Traffic sources
● Direct 84% · ● Referral 15%
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● Direct 90% · ● Mail 10%
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NoteGPTChatPDFUPDFKnoWhiz
03.2M6.4M9.6M12.8MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MUPDF · 38.9KUPDF · 51.3KUPDF · 45.4KUPDF · 39.5KUPDF · 52.9KUPDF · 63KUPDF · 52.7KUPDF · 39.9KUPDF · 28.7KKnoWhiz · 706KnoWhiz · 3.8KKnoWhiz · 14.3KKnoWhiz · 14.7KKnoWhiz · 11.5KKnoWhiz · 10.5KKnoWhiz · 13KKnoWhiz · 10.4KKnoWhiz · 5.2KKnoWhiz · 5K1001K10K100K1M10M100MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MUPDF · 38.9KUPDF · 51.3KUPDF · 45.4KUPDF · 39.5KUPDF · 52.9KUPDF · 63KUPDF · 52.7KUPDF · 39.9KUPDF · 28.7KKnoWhiz · 706KnoWhiz · 3.8KKnoWhiz · 14.3KKnoWhiz · 14.7KKnoWhiz · 11.5KKnoWhiz · 10.5KKnoWhiz · 13KKnoWhiz · 10.4KKnoWhiz · 5.2KKnoWhiz · 5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Freemium
Starting price
$9per month
Free
$9.99per month · free tier available
$1.99per month · free tier available
Free tier
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Free trial
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–
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API access
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Plans
Pro $9/moUnlimited $19.92/moMax $69/mo
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Starter FreePlus $9.99/moPro $24.99/moBusiness $59.99/mo+1 more
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Capabilities input → output
Input
VideoWeb pagesTextDocumentsAudio
DocumentsTextWeb pages
TextDocuments
VideoWeb pagesDocuments
Output
TextSlidesImagesDocumentsData
Text
TextDocuments
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsVideo Editing+16 more
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeAI Document ExtractionAI PDF
Education & LearningAI CourseAI Flashcard MakerAI Quiz Generator
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
12
14
4
PDF analysis
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PDFs
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Interactive PDF processing
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PDF summaries
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Summarizing
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Document summarization
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Research
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Document editing
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Flashcards
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PDF management
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Quiz generation
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Video summaries
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Document scanning
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File conversion
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Mind maps
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Note taking
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PDF translations
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Study assistance
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Text extraction
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Transcription
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Tutoring
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Academic research
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Document analysis
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Document data extraction
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Document reading
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Education
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Homework assistance
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PDF compression
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PDF redaction
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Podcasts
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.