Comparison

PDF Note Pro vs AI Notes Taker

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

Head to head
About

PDF Note Pro

This application allows users to take freehand notes directly on PDF documents and record audio simultaneously. Notes are saved in native PDF and M4A formats, syncing across devices via iCloud for seamless access on mobile, desktop, and web. It offers powerful annotation tools and is available for free on iOS.

Highlights
  • Freehand PDF annotation
  • M4A audio recording
  • iCloud syncing across devices
  • Native PDF and M4A formats
  • Vector drawing tools
  • Text tool for typing
  • Image and web page insertion
Features
Read full description

PDF Note Pro is the most innovative, flexible, compatible, and powerful Note-Taking application! PDF Note Pro features Freehand Notes in a Native PDF format, and Audio recording in a Native M4A format. Using the PDF format, Freehand Notes are synced across all your devices (via iCloud) so you always have the latest version of your Notes with you -- regardless of device. And since PDF Note Pro uses the PDF format, you can annotate PDFs with powerful Note-taking tools *and* your Notes are ready for Mobile, Desktop, Web, and Print right from the get go: No more manually exporting notes and uploading files - PDF Note Pro handles everything for you! And best of all, PDF Note Pro is free for iOS and only $9.99 (U.S.) for OS X! With iCloud Drive, you can take Notes on the go and have your Notes ready at your Mac or Windows PC already downloaded when you get home* And If that wasn't enough, PDFs can be transferred instantly from one device to another with iCloud HandOff so you can start working on one device, and continue on another (iPhone, iPad, and Mac)** iOS Specific Features: - Innovative Graphical File Manager with Natural Touch Gestures: Single Tap to Select a File, Double-Tap to Open a File, Two Finger "Pinch" to Zoom the File Manager, and Tap and Hold to Drag Files onto Folders - Photorealistic page swipe animations (swipe the vertical edge of a PDF page horizontally to go to the previous or next page) - Draw using Palm Rest or Magnifier Window with "Smart Shift" technology Innovative Features on both iOS and OS X: - Freehand draw on Notes using native PDF format with “Vector" note taking tools such as Pencil, Eraser, and Highlighter; keeping PDF file sizes small - Record Audio in M4A format with stunning 3D Visualizor; M4A Audio files are synced to all your devices - iCloud support keeps your documents in Sync across iPhone, iPad, and Mac; and with iCloud Drive, Windows PCs and well* - iCloud HandOff lets you start work on one device and continue on another (iPhone, iPad, and Mac)** - Text Tool lets your Touch/Click to Type anywhere (iPad/Mac) - Cut Tool Makes it easy to reposition PDF content - Add Images, Text, and Web Pages to a PDF instantly (iPad/Mac) - Full Speech-To-Text Dictation support anywhere you can Type (Press Dictation key on keyboard on iOS, press “Fn” key twice on OS X) - iCloud is completely optional — PDF Note Pro works just as well offline as online! * iCloud Drive Support for Windows requires iCloud Drive install, iCloud Drive for Mac requires OS X 10.10 or later; iCloud Drive supports PDF/M4A **iCloud HandOff requires both Bluetooth 4.0/LE and WiFi on and enabled; iCloud HandOff works with PDF only ***Large PDF Documents in the Cloud (such as large eBooks) is not recommended*** ***If you have any issues please restart your device!***

About

AI Notes Taker

Features
Read full description

AI Notes Taker - Audio To Text: The Modern Way to Retain Every Word! An idea is just a memory until you capture it. AI Notes Taker - Audio To Text is an intelligent audio-to-text workspace designed to help you capture, navigate, and interact with your spoken thoughts like never before. By combining highly accurate speech recognition with conversational AI, this app turns scattered conversations and fleeting inspiration into organized, actionable knowledge. How It Works: Speak &Transcribe. The process is deliberately simple. First, record your voice, a lecture, or a meeting with the app's clean recorder. Within moments, your recording becomes a fully searchable text transcript. That’s when the real value begins. Who It's For: Whether you’re in a classroom, boardroom, or studio, this tool adapts to your mental workflow. - Students & Academics: Turn lectures and research interviews into structured notes. Create study guides automatically, clarify dense topics with on-demand AI explanations, and review material through interactive conversation instead of passive re-reading. - Professionals & Leaders: Document meetings with confidence, ensuring accountability and clarity. Instantly generate summaries, highlight decisions, and extract action items - all ready to share with your team, saving hours of manual documentation. - Creators & Writers: Capture interviews, brainstorm aloud, or analyze reference material. Use the AI to identify patterns, suggest connections between recordings, and help structure raw ideas into outlines and drafts. - Lifelong Learners: Build a personal knowledge library from podcasts, courses, or your own reflections. Quickly surface insights and revisit concepts through natural-language queries, making learning more active and retained. Why It Feels Indispensable: AI Notes Taker - Audio To Text is built on a quiet belief: technology should handle the tedious work so you can do the meaningful work. It offers radical time savings not by being another complex tool, but by being a simple, intelligent companion. The interface is calm and straightforward - no training required. The AI is robust yet focused, designed to understand context and deliver practical insight, not just data. This is the end of forgotten details and wasted hours. It’s the beginning of a workflow where your spoken words become a living resource, ready to support your next decision, creation, or breakthrough. Embrace a clearer, more connected way to work with your ideas. Download AI Notes Taker - Audio To Text today and transform the way you listen, learn, and build. Subscription Information: 1.The charge to your iTunes account occurs at the moment of purchase confirmation. 2.To prevent automatic renewal, you must disable it at least one day prior to your subscription period's end date. 3.Auto-renewal can be managed or turned off at any time via your Account Settings. 4.Activating a paid subscription will terminate an ongoing free trial instantly. Paid Features: - Unlimited Audio Recording, - Transcription and Summary Files, - Create AI Notes, - Access to AI Chat Terms and Conditions - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Note Pro4 screens
AI Notes Taker4 screens

Verdict

The call

The clearest difference is update cadence: AI Notes Taker at every 2 days against PDF Note Pro's every 11 months. PDF Note Pro's advantage is iOS requirement (14.0 vs 16.0). 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. PDF Note Pro sells 1 one-off in-app purchase and AI Notes Taker sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Note Pro ships an update every 11 months, AI Notes Taker every 2 days. Both last shipped on September 30, 2026.

Scorecard2 real differences · 8 level
PDF Note Pro versus AI Notes Taker: the parameters behind the verdict, then further details
ParameterPDF Note ProAI Notes Taker
PriceFreeFree
Rating2.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 11 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size18 MB15 MB
Age rating17+4+
DeveloperMach Software DesignMAXEN KARL

In-app purchases

1 purchases

PDF Note Pro

One-time1
  • Remove Ads2 variants$0.99
3 purchases

AI Notes Taker

Subscriptions3
  • AI Note Taker - weekly sale3 Days trial$5.997 Days
  • AI Note Taker - weekly3 Days trial$7.997 Days
  • AI Note Taker - monthly$19.991 Month

Questions

Is PDF Note Pro free?
PDF Note Pro is free to download, with in-app purchases available.
Is AI Notes Taker free?
AI Notes Taker is free to download, with in-app purchases available.
Do PDF Note Pro or AI Notes Taker have ads?
Neither PDF Note Pro nor AI Notes Taker shows ads.
Which is updated more often, PDF Note Pro or AI Notes Taker?
PDF Note Pro ships an update every 11 months, and AI Notes Taker every 2 days. Most recently, PDF Note Pro was updated on September 30, 2026 and AI Notes Taker on September 30, 2026.

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