Collate vs ChatPDF vs Perplexity AI

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

Your tool
Collate
vs
Competitor 1
ChatPDF
Competitor 2
Perplexity AI
Competitor 3
Suggested competitors for Collate: APAI PDF Reader90% Smallpdf AI PDF88% ReadDocs87% PDF.ai84% LightPDF84% Humata84% Outrank83% Adobe Acrobat82%
Compare
3 tools · best value per row highlighted
Your tool 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
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 Perplexity AI
perplexity.ai
Search that gives answers instead of links
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
4.1Kvisits/mo
—
95.2Mvisits/mo
MoM change
▼ 59.8%
—
▼ 8.2%
6-month growth
-0.1%
—
-42.9%
Global rank web
#4,822,608
—
#446
Avg. last 3 months
8.9K
—
104.9M
Bounce rate lower is better
37%
—
33%
Pages / visit
1.3
—
3.6
Visit duration
2s
—
4m 18s
Traffic sources
—
—
● Direct 94% · ● Referral 4%
CollateChatPDFPerplexity AI
047.3M94.5M141.8M189MCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2M1K10K100K1M10M100M1BCollate · 10.2KCollate · 7.2KCollate · 5.3KCollate · 4.1KCollate · 6KCollate · 13.1KCollate · 12.4KCollate · 10.2KCollate · 4.1KPerplexity AI · 189MPerplexity AI · 179.6MPerplexity AI · 170.1MPerplexity AI · 153.8MPerplexity AI · 166.8MPerplexity AI · 154.9MPerplexity AI · 138.1MPerplexity AI · 115.8MPerplexity AI · 103.8MPerplexity AI · 95.2MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Freemium
Starting price
$9.99per month · free tier available
Free
$20per month · free tier available
Free tier
Free trial
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–
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API access
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Plans
Free Custom
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Capabilities input → output
Input
Documents
DocumentsTextWeb pages
CodeDocumentsImagesText
Output
Text
Text
CodeText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Chatbots & CompanionsEducation & LearningLifestyle & EntertainmentProductivity & Office+13 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
10
12
10
Summarizing
Document summarization
Interactive PDF processing
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PDF summaries
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PDFs
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Research
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PDF analysis
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Document reading
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Homework assistance
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Summaries
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AI search
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Search engine
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Chatbots
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Document chat
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Local AI
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PDF translations
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Research papers
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Academic research
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Literature reviews
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Writing
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 3
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
1
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.