NoteGPT vs LightPDF vs ReadDocs vs KnoWhiz

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

Your tool
NoteGPT
vs
Competitor 1
LightPDF
Competitor 2
ReadDocs
Competitor 3
KnoWhiz
Compare
4 tools · best value per row highlighted
Your tool NoteGPT
notegpt.io
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
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 KnoWhiz
knowhiz.us
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
7.3Mvisits/mo
1.8Mvisits/mo
744visits/mo
5Kvisits/mo
MoM change
▼ 9.2%
▲ 1.0%
▲ 141.6%
▼ 4.2%
6-month growth
-43.3%
-4.4%
—
-56.5%
Global rank web
#6,906
#34,433
—
#3,544,642
Avg. last 3 months
8.2M
1.7M
384
6.9K
Bounce rate lower is better
44%
51%
39%
38%
Pages / visit
4.1
2.3
1.1
1.9
Visit duration
4m 23s
1m 31s
—
22s
Traffic sources
● Direct 84% · ● Referral 15%
● Direct 88% · ● Referral 10%
—
—
NoteGPTLightPDFReadDocsKnoWhiz
03.2M6.4M9.6M12.8MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MReadDocs · 101ReadDocs · 308ReadDocs · 744KnoWhiz · 706KnoWhiz · 3.8KKnoWhiz · 14.3KKnoWhiz · 14.7KKnoWhiz · 11.5KKnoWhiz · 10.5KKnoWhiz · 13KKnoWhiz · 10.4KKnoWhiz · 5.2KKnoWhiz · 5K1001K10K100K1M10M100MNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MLightPDF · 1.6MLightPDF · 1.6MLightPDF · 1.9MLightPDF · 1.7MLightPDF · 1.9MLightPDF · 1.9MLightPDF · 1.8MLightPDF · 1.5MLightPDF · 1.8MLightPDF · 1.8MReadDocs · 101ReadDocs · 308ReadDocs · 744KnoWhiz · 706KnoWhiz · 3.8KKnoWhiz · 14.3KKnoWhiz · 14.7KKnoWhiz · 11.5KKnoWhiz · 10.5KKnoWhiz · 13KKnoWhiz · 10.4KKnoWhiz · 5.2KKnoWhiz · 5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$9per month
$1.33per month · free tier available
Free tier
$1.99per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
–
Plans
Pro $9/moUnlimited $19.92/moMax $69/mo
Free FreeMonthly $5.99/moYearly $15.99/yrLifetime $39.99
Free FreePro £9.99/moBusiness £29/mo
—
Capabilities input → output
Input
AudioDocumentsTextWeb pagesVideo
DocumentsWeb pages
ImagesTextDocuments
DocumentsWeb pagesVideo
Output
DataDocumentsImagesSlidesText
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningProductivity & OfficeResearch & AnalyticsVideo Editing+16 more
Productivity & OfficeWriting & ContentAI Document ExtractionAI PDF+1 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Education & LearningAI CourseAI Flashcard MakerAI Quiz Generator
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
9
13
4
Summarizing
–
Document summarization
–
–
PDF analysis
–
–
OCR
–
–
Data extraction
–
–
–
Document chat
–
–
–
Document data extraction
–
–
–
Document q a
–
–
–
Document summaries
–
–
–
Flashcards
–
–
–
PDF summaries
–
–
–
Quiz generation
–
–
–
Video summaries
–
–
–
Interactive PDF processing
–
–
–
Mind maps
–
–
–
Note taking
–
–
–
Official documents q a
–
–
–
PDFs
–
–
–
Study assistance
–
–
–
Summaries
–
–
–
Text extraction
–
–
–
Transcription
–
–
–
Tutoring
–
–
–
Document processing
–
–
–
Education
–
–
–
Meeting summaries
–
–
–
Podcasts
–
–
–
Research
–
–
–
Text to speech
–
–
–
YouTube summaries
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.