ChatPDF vs Studyable vs LightPDF

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

Your tool
ChatPDF
vs
Competitor 1
Studyable
Competitor 2
LightPDF
Competitor 3
Suggested competitors for ChatPDF: Humata84% Smallpdf AI PDF83% APAI PDF Reader83% Collate83% PDF.ai82% ReadDocs80% PDFConvo78% UPDF78%
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.
Remove
Competitor Studyable
studyable.app
Make main Remove
Competitor LightPDF
lightpdf.com
LightPDF AI for Docs is an online tool that utilizes artificial intelligence to summarize and extract insights from uploaded PDF, Word, Excel, and PPT documents. With multi-platform availability and s
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
59.3Kvisits/mo
1.8Mvisits/mo
MoM change
—
▲ 4.7%
▲ 1.0%
6-month growth
—
-37.6%
-4.4%
Global rank web
—
#593,029
#34,433
Avg. last 3 months
—
61K
1.7M
Bounce rate lower is better
—
40%
51%
Pages / visit
—
2.2
2.3
Visit duration
—
43s
1m 31s
Traffic sources
—
● Direct 87% · ● Referral 13%
● Direct 88% · ● Referral 10%
ChatPDFStudyableLightPDF
0477.3K954.5K1.4M1.9MStudyable · 175.8KStudyable · 201.1KStudyable · 117.5KStudyable · 84.8KStudyable · 95KStudyable · 84.8KStudyable · 78.4KStudyable · 67.2KStudyable · 56.6KStudyable · 59.3KLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8M10K100K1M10MStudyable · 175.8KStudyable · 201.1KStudyable · 117.5KStudyable · 84.8KStudyable · 95KStudyable · 84.8KStudyable · 78.4KStudyable · 67.2KStudyable · 56.6KStudyable · 59.3KLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Starting price
Free
$3.99per month · free tier available
$1.33per month · free tier available
Free tier
Free trial
–
–
API access
–
–
–
Plans
—
—
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Capabilities input → output
Input
DocumentsTextWeb pages
ImagesText
DocumentsWeb pages
Output
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Education & LearningAI Flashcard MakerAI Homework HelperAI Math
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
8
9
PDF analysis
–
Document summarization
–
PDFs
–
Summarizing
–
Homework assistance
–
Data extraction
–
–
Document data extraction
–
–
Interactive PDF processing
–
–
Flashcards
–
–
Math
–
–
Math problems
–
–
OCR
–
–
PDF summaries
–
–
PDF translations
–
–
Research
–
–
Text extraction
–
–
Tutoring
–
–
Academic research
–
–
Calculus tutoring
–
–
Document processing
–
–
Document reading
–
–
Essay grading
–
–
Math explanations
–
–
Summaries
–
–
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
–
–
–

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.