ChatPDF vs ScienceOS vs ReadDocs

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

Your tool
ChatPDF
vs
Competitor 1
ScienceOS
Competitor 2
ReadDocs
Competitor 3
Suggested competitors for ChatPDF: Collate82% Smallpdf AI PDF81% LightPDF80% APAI PDF Reader80% Adobe Acrobat80% iLovePDF AI Summarizer79% PDF.ai79% TLDR This78%
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 ScienceOS
scienceos.ai
Researchers waste hours hunting through literature—piecing together fragments from different papers
Make main Remove
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
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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64.9Kvisits/mo
744visits/mo
MoM change
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▼ 6.2%
▲ 141.6%
6-month growth
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+1.2%
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Global rank web
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#464,304
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Avg. last 3 months
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68.2K
384
Bounce rate lower is better
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39%
39%
Pages / visit
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3.7
1.1
Visit duration
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1m 37s
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Traffic sources
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● Direct 98% · ● Mail 2%
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ChatPDFScienceOSReadDocs
019.9K39.8K59.7K79.7KScienceOS · 79.4KScienceOS · 75.1KScienceOS · 79.7KScienceOS · 64.1KScienceOS · 64.5KScienceOS · 56.4KScienceOS · 70.5KScienceOS · 69.2KScienceOS · 64.9KReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100KScienceOS · 79.4KScienceOS · 75.1KScienceOS · 79.7KScienceOS · 64.1KScienceOS · 64.5KScienceOS · 56.4KScienceOS · 70.5KScienceOS · 69.2KScienceOS · 64.9KReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
€7.25per month · free tier available
Free tier
Free tier
Free trial
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API access
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Plans
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Free FreeAngel €7.25/moTeam €6/moInstitution Custom
Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
DocumentsTextWeb pages
DocumentsText
DocumentsImagesText
Output
Text
DataText
Text
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Research & AnalyticsAI Research PapersAI Research Tool
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
8
10
Document summarization
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Research
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Summarizing
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PDF analysis
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Summaries
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Document summaries
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PDF summaries
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PDFs
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Scientific q a
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Citations
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Homework assistance
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Interactive PDF processing
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OCR
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Official documents q a
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Research papers
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Scientific literature exploration
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Academic research
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Literature analysis
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Meeting summaries
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Network diagrams
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
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▲ 0
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Saves
0
0
0
Reviews
0
0
0
Prompts
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.