ChatPDF vs Knowt vs KnoWhiz

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

Your tool
ChatPDF
vs
Competitor 1
Knowt
Competitor 2
KnoWhiz
Competitor 3
Suggested competitors for ChatPDF: Collate82% Smallpdf AI PDF81% Adobe Acrobat80% LightPDF80% APAI PDF Reader80% PDF.ai79% ReadDocs79% iLovePDF AI Summarizer79%
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 Knowt
knowt.com
Make main Remove
Competitor KnoWhiz
knowhiz.us
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
2.3Mvisits/mo
5Kvisits/mo
MoM change
—
▲ 27.1%
▼ 4.2%
6-month growth
—
-36.9%
-56.5%
Global rank web
—
#29,000
#3,544,642
Avg. last 3 months
—
2.1M
6.9K
Bounce rate lower is better
—
34%
38%
Pages / visit
—
4.6
1.9
Visit duration
—
5m 28s
22s
Traffic sources
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● Direct 93% · ● Referral 6%
—
ChatPDFKnowtKnoWhiz
01.3M2.7M4M5.3MKnowt · 3.5MKnowt · 3.4MKnowt · 2.9MKnowt · 3.4MKnowt · 3.6MKnowt · 4.6MKnowt · 5.3MKnowt · 2.3MKnowt · 1.8MKnowt · 2.3MKnoWhiz · 706KnoWhiz · 3.8KKnoWhiz · 14.3KKnoWhiz · 14.7KKnoWhiz · 11.5KKnoWhiz · 10.5KKnoWhiz · 13KKnoWhiz · 10.4KKnoWhiz · 5.2KKnoWhiz · 5K1001K10K100K1M10MKnowt · 3.5MKnowt · 3.4MKnowt · 2.9MKnowt · 3.4MKnowt · 3.6MKnowt · 4.6MKnowt · 5.3MKnowt · 2.3MKnowt · 1.8MKnowt · 2.3MKnoWhiz · 706KnoWhiz · 3.8KKnoWhiz · 14.3KKnoWhiz · 14.7KKnoWhiz · 11.5KKnoWhiz · 10.5KKnoWhiz · 13KKnoWhiz · 10.4KKnoWhiz · 5.2KKnoWhiz · 5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
$4per month · free tier available
$1.99per month · free tier available
Free tier
Free trial
–
–
–
API access
–
–
–
Plans
—
Free FreeUltra (School License) $4/yr
—
Capabilities input → output
Input
DocumentsTextWeb pages
AudioDocumentsTextWeb pages
DocumentsWeb pagesVideo
Output
Text
AudioText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Education & LearningProductivity & OfficeAI Flashcard MakerAI Note Taker+2 more
Education & LearningAI CourseAI Flashcard MakerAI Quiz Generator
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
5
0
Flashcards
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–
PDFs
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–
Document summarization
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–
Homework assistance
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–
Note taking
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–
Quiz generation
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–
Research
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–
Summarizing
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Academic research
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–
Education
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–
Podcasts
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–
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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–
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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.