Comparison

AI Notebook vs Image to PDF

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

Head to head
About

AI Notebook

Features
Read full description

AI Notebook – Smarter Notes, Effortless Organization Capture, summarize, and interact with your content using AI. AI Notebook transforms how you take notes by combining powerful AI with seamless input options. Whether it’s a meeting, lecture, or spontaneous idea, just drop in audio, text, images and let AI Notebook do the heavy lifting. It not only organizes your notes but lets you chat with them for quick insights. Core Features - All-in-One Input: Upload text, record audio, snap images—AI Notebook handles it all with ease. - Instant AI Summaries: Skip the clutter. Get concise, smart summaries that capture key ideas at a glance. - Cross-Device Sync & Simple UI: Take notes anytime, anywhere with a clean, intuitive interface. Why Use AI Notebook? - Stay Focused: Let AI handle the structure while you focus on content. - Capture Everything: From spoken words to web links—nothing gets lost. AI Notebook is your AI-powered second brain—designed for students, professionals, creators, and lifelong learners. Try it today and revolutionize the way you take notes. To unlock full access, please subscribe to our auto-renewing plans. Automatic subscription service instructions: 1.Subscription service: AI Notebook Pro(1 Week / 1 Year) 2.Subscription price: AI Notebook Pro Weekly:$9.99 AI Notebook Pro Yearly:$89.99 You will be charged in your local currency at the prevailing exchange rate as defined by iTunes. 3.Payment: Subscriptions can be managed by the user, and the payment will be credited to the iTunes account after the user confirms the purchase and payment. 4.Renewal: Apple's iTunes account will be deducted within 24 hours before expiration. After the deduction is successful, the subscription period will be extended by one subscription period. 5.Unsubscribe: To unsubscribe, please open the "Settings" section of your Apple phone 24 hours before the expiration of the current subscription period, enter the "iTunes Store and App Store" section, click on "App ID", select "View Apple ID", enter the "Account Settings" page, click "Subscribe", and choose to unsubscribe. If you do not unsubscribe at least 24 hours before the end of the subscription period, your subscription will be automatically renewed. Privacy Policy:https://app.hkamor.com/help/notebook/PrivacyPolicy Terms of Use:https://app.hkamor.com/help/notebook/TermsOfUse We would love to receive all your feedback to improve our app. You are welcome to contact us at support@hkamor.com

About

Image to PDF

Easily convert your photos and images into professional PDF files. Organize, edit, and combine multiple images into a single document with a simple and intuitive interface. Ideal for students and professionals needing on-the-go PDF management.

Highlights
  • Convert photos to PDF
  • Organize image order
  • Edit PDF files
  • Combine multiple images
  • Simple and intuitive interface
  • Create professional PDFs
Features
Read full description

Turn your photos into clean, professional PDFs in seconds with ZPDF. Whether it is documents or receipts or notes or memories. Easily convert images into high quality PDF files arrange them in the right order, and make quick adjustments whenever needed. Designed for simplicity and speed ZPDF helps you get things done without unnecessary steps. Create and edit and organize your PDFs effortlessly in one place. From combining multiple images into a single file to adjusting page order. ZPDF gives you full control while keeping the experience smooth and intuitive. Perfect for everyday use students and professionals and anyone who needs a reliable way to manage PDFs on the go. Disclaimer: Some features are available only through in app purchase or subscription. Some features are free to use. Unlock all premium features to access the complete experience. Privacy Policy : https://sites.google.com/view/harsh-kalavadia-apps/privacy-policy Terms of Use : https://sites.google.com/view/harsh-kalavadia-apps/terms-conditions

Screenshots

AI Notebook4 screens
Image to PDF4 screens

Verdict

The call

The clearest difference is update cadence: Image to PDF at daily against AI Notebook's every 5 weeks. AI Notebook's advantage is iOS requirement (16.0 vs 18.5). 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. AI Notebook sells 2 in-app purchases, starting at $9.99 per 7 days and Image to PDF sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AI Notebook ships an update every 5 weeks, Image to PDF daily. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 7 level
AI Notebook versus Image to PDF: the parameters behind the verdict, then further details
ParameterAI NotebookImage to PDF
PriceFreeFree
Rating—3.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.5
Further details — not scored
Size13 MB23 MB
Age rating4+9+
DeveloperAmor Tecnology LimitedHarsh Kalavadia

In-app purchases

2 purchases

AI Notebook

Subscriptions2
  • Notebook AI Pro Weekly$9.997 Days
  • Notebook AI Pro Yearly$89.991 Year
4 purchases

Image to PDF

Subscriptions2
  • Image to PDF ZPDF Week$3.997 Days
  • Image to PDF ZPDF Year3 Days trial$24.991 Year
One-time2
  • Image to PDF ZPDF Lifetime Gift$9.99
  • Image to PDF ZPDF Lifetime$19.99

Questions

Is AI Notebook free?
AI Notebook is free to download, with in-app purchases available.
Is Image to PDF free?
Image to PDF is free to download, with in-app purchases available.
Do AI Notebook or Image to PDF have ads?
Neither AI Notebook nor Image to PDF shows ads.
Which is updated more often, AI Notebook or Image to PDF?
AI Notebook ships an update every 5 weeks, and Image to PDF daily. Most recently, AI Notebook was updated on October 31, 2026 and Image to PDF on October 28, 2026.

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