ChatPDF vs NotebookLM vs NoteGPT vs UPDF

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

Your tool
ChatPDF
vs
Competitor 1
NotebookLM
Competitor 2
NoteGPT
Competitor 3
UPDF
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 NotebookLM
notebooklm.google.com
Your docs, deeply understood
Make main Remove
Competitor NoteGPT
notegpt.io
Make main Remove
Competitor UPDF
pdfassistant.ai
PDFs that work the way you need them to
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
159.8Mvisits/mo
7.3Mvisits/mo
28.7Kvisits/mo
MoM change
—
▼ 26.8%
▼ 9.2%
▼ 28.2%
6-month growth
—
-14.7%
-43.3%
-27.5%
Global rank web
—
—
#6,906
#984,401
Avg. last 3 months
—
210.3M
8.2M
40.4K
Bounce rate lower is better
—
32%
44%
42%
Pages / visit
—
5.0
4.1
2.1
Visit duration
—
6m 32s
4m 23s
19s
Traffic sources
—
● Direct 81% · ● Referral 17%
● Direct 84% · ● Referral 15%
● Direct 90% · ● Mail 10%
ChatPDFNotebookLMNoteGPTUPDF
063.2M126.5M189.7M253MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MNoteGPT · 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 · 28.7K10K100K1M10M100M1BNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MNoteGPT · 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 · 28.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$4.99per month · free tier available
$9per month
$9.99per 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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–
–
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Plans
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Free FreeGoogle AI Plus $4.99/moNotebookLM Pro (Google AI Pro) $19.99/moVia Google AI Ultra $99.99/mo
Pro $9/moUnlimited $19.92/moMax $69/mo
Starter FreePlus $9.99/moPro $24.99/moBusiness $59.99/mo+1 more
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsWeb pagesTextAudio
VideoWeb pagesTextDocumentsAudio
TextDocuments
Output
Text
VideoTextAudio
TextSlidesImagesDocumentsData
TextDocuments
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Education & LearningProductivity & OfficeResearch & AnalyticsVideo Editing+16 more
Productivity & OfficeAI Document ExtractionAI PDF
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
8
9
14
PDF analysis
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Summarizing
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Research
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PDFs
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–
Interactive PDF processing
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PDF summaries
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Document summarization
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Video summaries
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Note taking
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Podcasts
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Document editing
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–
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PDF management
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Document scanning
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File conversion
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Mind maps
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PDF translations
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Text extraction
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Transcription
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Academic research
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Document analysis
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Document data extraction
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–
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Document reading
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Education
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Files
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Homework assistance
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PDF compression
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PDF redaction
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Productivity
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–
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Summaries
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Text to speech
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
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.