Comparison

Note AI vs ChatPDF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Note AI

Transform audio and video into text with AI-powered transcription, translation, and summaries. Organize your thoughts, meetings, and lectures efficiently for work, study, or daily use.

Highlights
  • AI-powered audio transcription
  • Video file transcription
  • Audio translation
  • AI-generated summaries
  • Voice note recording
  • Study tools like flashcards
Features
Read full description

Turn your voice notes and recordings into text with Note AI. Use AI-powered transcription, translation, and summaries to help organize information for work, study, and everyday note-taking. Record audio or upload supported audio and video files. Create transcripts, review key points, and revisit information from your recordings in one place. AUDIO TO TEXT Transcribe voice memos, meeting recordings, lectures, and interviews. Convert recorded speech into text to help you review discussions and organize your notes. VIDEO TRANSCRIPTION Generate transcripts from speech in supported video files. Use the text to revisit recorded content and identify points you want to review. AUDIO TRANSLATION Translate recorded speech into English or other supported languages. Use translations to help you work with multilingual recordings and study materials. AI-POWERED SUMMARIES Create summaries and key takeaways from your recordings. Use them as a starting point when reviewing a discussion, lecture, or spoken idea. VOICE NOTES Record ideas, reminders, and thoughts as audio, then use transcription to turn them into text for later reference. STUDY TOOLS Create flashcards and summaries from recorded material to support your study routine. Revisit topics and organize information from your lectures and notes. FOR WORK, STUDY, AND EVERYDAY IDEAS Use Note AI to review meeting recordings, revisit course material, or capture ideas as they come to mind. Bring transcription, translation, and summaries into your note-taking routine. Transcription and translation results may vary depending on audio quality, language, and recording conditions. AI-generated content may contain errors; review important details against the original recording. Subscriptions are offered as auto-renewable plans on a weekly, monthly, or yearly basis (pricing may vary by country). Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription will automatically renew unless it is canceled at least 24 hours before the end of the current billing period, and your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription at any time through your Apple Account Settings after purchase. If a free trial is offered, any unused portion of the trial period will be forfeited upon purchasing a subscription. Terms of Use: https://noteaiapp.com/terms Privacy Policy: https://noteaiapp.com/privacy

About

ChatPDF

Features
Read full description

ChatPDF transforms your documents into intelligent conversations. Upload any PDF and instantly chat with your content—ask questions, get summaries, and extract key insights in seconds. Whether you're a student tackling research papers or a professional analyzing reports, ChatPDF makes complex documents simple. UNDERSTAND ANY DOCUMENT INSTANTLY → Ask questions in natural language and receive accurate, contextual answers → Generate comprehensive summaries of lengthy PDFs with one tap → Extract key points, definitions, and insights automatically → Works with textbooks, research papers, contracts, reports, and more YOUR AI-POWERED STUDY COMPANION Students love ChatPDF for exam preparation. Upload lecture notes, textbooks, or study guides and let AI explain difficult concepts, highlight important information, and quiz you on the material. Save hours of reading time and study smarter, not harder. PERFECT FOR → Students: Understand research papers, summarize textbooks, prepare for exams → Researchers: Speed up literature reviews, extract findings across papers → Professionals: Analyze contracts, review reports, extract insights fast → Anyone: Turn any PDF into clear, actionable knowledge WHY CHATPDF? Powered by advanced AI that truly understands your documents. Get accurate answers with context, not generic responses. Your documents stay private and secure—we prioritize your data protection. FEATURES AT A GLANCE → Instant PDF summaries → Natural language Q&A → Multi-language support → Lightning-fast responses → Clean, intuitive interface → Up to 500 pages per PDF on the Yearly plan (200 on Weekly) → Quizzes and flashcards from your PDFs → Works with PDFs that have selectable text (scans and photos aren't supported) SUBSCRIPTION OPTIONS ChatPDF Pro unlocks all features: • Weekly or Yearly, each with a 3-day free trial for eligible new subscribers • Prices in your currency are shown in the app before you buy Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in Settings > Apple ID > Subscriptions. Download ChatPDF today and revolutionize how you work with documents. Privacy: https://chatpdf.berkcan.dev/privacy Terms: https://chatpdf.berkcan.dev/terms

Screenshots

Note AI4 screens
ChatPDF3 screens

Verdict

The call

The clearest difference is update cadence: ChatPDF at daily against Note AI's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Note AI sells 10 in-app purchases, starting at $6.99 per 7 days and ChatPDF sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Note AI ships an update weekly, ChatPDF daily. Both last shipped on October 30, 2026.

Scorecard1 real difference · 9 level
Note AI versus ChatPDF: the parameters behind the verdict, then further details
ParameterNote AIChatPDF
PriceFreeFree
Rating4.5 (740 ratings) — better—
Positive reviews45.8% of reviews—
Number of ratings740 — better—
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size144 MB15 MB
Age rating4+4+
DeveloperHUBXBERKCAN ARSLAN

Bugs and requests

Note AI

Reported bugs

3 issues
  • Recordings disappearing during upload
  • Transcription failing after initial use
  • Inability to access full functionality after purchase

Requested features

3 requests
  • Speaker identification in transcripts
  • Improved error handling and reliability
  • Clearer subscription and cancellation policies

ChatPDF

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Note AI

Subscriptions10
  • Weekly Note Creation Subs.3 Days trial$6.997 Days
  • Weekly Note Creation Subs$6.997 Days
  • Weekly Note Creation Subs$7.997 Days
Show 7 more
  • Weekly Note Creation Subs.3 Days trial$7.997 Days
  • note ai weekly subscription7 Days trial$9.997 Days
  • Weekly Note Creation Subs.3 Days trial$9.997 Days
  • Weekly Note Creation Subs.$9.997 Days
  • Yearly Note Creation Subs.$39.991 Year
  • Yearly Note Creation Subs.$59.991 Year
  • Yearly Note Creation Subs.3 Days trial$99.991 Year
3 purchases

ChatPDF

Subscriptions3
  • ChatPDF Weekly Subscription3 Days trial$4.997 Days
  • ChatPDF Monthly Subscription$9.991 Month
  • ChatPDF Yearly Subscription3 Days trial$59.991 Year

Questions

Is Note AI free?
Note AI is free to download, with in-app purchases available.
Is ChatPDF free?
ChatPDF is free to download, with in-app purchases available.
Do Note AI or ChatPDF have ads?
Neither Note AI nor ChatPDF shows ads.
Which is updated more often, Note AI or ChatPDF?
Note AI ships an update weekly, and ChatPDF daily. Most recently, Note AI was updated on October 30, 2026 and ChatPDF on October 30, 2026.

Other comparisons