ChatPDF vs ChatGPT vs ReadDocs vs Adobe Acrobat

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

Your tool
ChatPDF
vs
Competitor 1
ChatGPT
Competitor 2
ReadDocs
Competitor 3
Adobe Acrobat
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.
Remove
Competitor ChatGPT
chatgpt.com
Your AI assistant for everything
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
Competitor Adobe Acrobat
adobe.com
Adobe Acrobat is a PDF toolkit with AI built in.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
5.6Bvisits/mo
744visits/mo
—
MoM change
—
▲ 3.5%
▲ 141.6%
—
6-month growth
—
-1.6%
—
—
Global rank web
—
#7
—
—
Avg. last 3 months
—
5.5B
384
—
Bounce rate lower is better
—
30%
39%
—
Pages / visit
—
4.3
1.1
—
Visit duration
—
6m 35s
—
—
Traffic sources
—
● Direct 95% · ● Referral 3%
—
—
ChatPDFChatGPTReadDocsAdobe Acrobat
01.5B2.9B4.4B5.8BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100K1M10M100M1B10BChatGPT · 5.8BChatGPT · 5.5BChatGPT · 5.7BChatGPT · 5.4BChatGPT · 5.7BChatGPT · 5.5BChatGPT · 5.6BChatGPT · 5.4BChatGPT · 5.5BChatGPT · 5.6BReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
—
Starting price
Free
$8per month · free tier available
Free tier
—
Free tier
–
Free trial
–
–
–
–
API access
–
–
–
–
Plans
—
Free FreeGo $8/moPlus $20/moPro 5x $100/mo+1 more
Free FreePro £9.99/moBusiness £29/mo
—
Capabilities input → output
Input
Web pagesTextDocuments
AudioTextImagesDocumentsCode
TextImagesDocuments
TextImagesDocuments
Output
Text
TextImagesCodeAudio
Text
TextDocuments
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
12
19
13
8
Summarizing
Document summarization
–
Interactive PDF processing
–
PDFs
–
–
PDF analysis
–
–
PDF summaries
–
–
Research
–
–
OCR
–
–
Summaries
–
–
Chatbots
–
–
–
Document chat
–
–
–
Document q a
–
–
–
Document summaries
–
–
–
Blogging
–
–
–
Coding
–
–
–
Copywriting
–
–
–
Document scanning
–
–
–
Email writing
–
–
–
Essay writing
–
–
–
Grammar checking
–
–
–
Image generation
–
–
–
Image to text
–
–
–
Official documents q a
–
–
–
PDF management
–
–
–
PDF translations
–
–
–
Search engine
–
–
–
Translations
–
–
–
Writing
–
–
–
Academic research
–
–
–
Code documentation
–
–
–
Community on aitoolstime
Rating
no ratings yet
★ 4.34 ratings
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 17
▲ 0
▲ 0
Saves
0
4
0
0
Reviews
0
4
0
0
Prompts
0
17
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.