NoteAI vs Harpa vs NoteGPT vs ChatPDF

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

Your tool
NoteAI
vs
Competitor 1
Harpa
Competitor 2
NoteGPT
Competitor 3
ChatPDF
Compare
4 tools · best value per row highlighted
Your tool NoteAI
noteai.io
A graduate student records three-hour lecture videos and needs searchable transcripts in multiple languages
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Competitor Harpa
harpa.ai
HARPA AI is a Chrome Extension and NoCode RPA platform that automates web tasks to save time and money. It uses a hybrid AI engine built on ChatGPT and Machine Learning to perform tasks such as provid
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Competitor NoteGPT
notegpt.io
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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.
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Traffic estimated monthly website traffic
Monthly visits
309.1Kvisits/mo
281.1Kvisits/mo
7.3Mvisits/mo
—
MoM change
▼ 7.8%
▼ 18.4%
▼ 9.2%
—
6-month growth
+11.4%
-55.5%
-43.3%
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Global rank web
#167,266
#170,120
#6,906
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Avg. last 3 months
315.5K
326.3K
8.2M
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Bounce rate lower is better
46%
53%
44%
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Pages / visit
1.6
1.6
4.1
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Visit duration
21s
1m 09s
4m 23s
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Traffic sources
● Direct 81% · ● Referral 17%
● Direct 95% · ● Referral 4%
● Direct 84% · ● Referral 15%
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NoteAIHarpaNoteGPTChatPDF
03.2M6.4M9.6M12.8MNoteAI · 64.5KNoteAI · 80.7KNoteAI · 57.4KNoteAI · 277.5KNoteAI · 3.1MNoteAI · 1.3MNoteAI · 302.1KNoteAI · 335.3KNoteAI · 309.1KHarpa · 269.4KHarpa · 340KHarpa · 397.4KHarpa · 367.5KHarpa · 631.4KHarpa · 457.2KHarpa · 421.2KHarpa · 353.4KHarpa · 344.4KHarpa · 281.1KNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3M10K100K1M10M100MNoteAI · 64.5KNoteAI · 80.7KNoteAI · 57.4KNoteAI · 277.5KNoteAI · 3.1MNoteAI · 1.3MNoteAI · 302.1KNoteAI · 335.3KNoteAI · 309.1KHarpa · 269.4KHarpa · 340KHarpa · 397.4KHarpa · 367.5KHarpa · 631.4KHarpa · 457.2KHarpa · 421.2KHarpa · 353.4KHarpa · 344.4KHarpa · 281.1KNoteGPT · 7.7MNoteGPT · 9.1MNoteGPT · 10.6MNoteGPT · 12.1MNoteGPT · 12.8MNoteGPT · 12.8MNoteGPT · 12.4MNoteGPT · 9.3MNoteGPT · 8MNoteGPT · 7.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
$4.99per month · free tier available
€14.3per month
$9per month
Free
Free tier
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Free trial
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API access
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Plans
Free FreePro $4.99/moUnlimited $8.33/mo
Everyone €14.30/moPro €19.60/moLife €238
Pro $9/moUnlimited $19.92/moMax $69/mo
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Capabilities input → output
Input
VideoWeb pagesImagesDocumentsAudio
Web pagesText
VideoWeb pagesTextDocumentsAudio
DocumentsTextWeb pages
Output
TextImagesDocuments
TextData
TextSlidesImagesDocumentsData
Text
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeVideo EditingVoice & SpeechWriting & Content+5 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeVideo Editing+7 more
Education & LearningProductivity & OfficeResearch & AnalyticsVideo Editing+16 more
Education & LearningProductivity & OfficeResearch & AnalyticsWriting & Content+4 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
10
9
12
Summarizing
Video summaries
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Transcription
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Document summarization
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Mind maps
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PDF analysis
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Note taking
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Research
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Agents
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Chrome extensions
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Interactive PDF processing
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PDFs
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Email automation
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PDF summaries
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PDF translations
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Web scraping
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Academic research
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Chatbots
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Document reading
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Education
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Email management
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Homework assistance
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Podcasts
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SEO
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Summaries
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Text to speech
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Web browsing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.