PDF Notes S vs PDFora
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Notes S
This app offers a dual-page PDF viewer with smooth scrolling and fast page turns. It also provides document management, quick previews of various file types, and annotation tools. An upgrade removes ads and unlocks full functionality.
- Dual-page PDF viewer
- Horizontal/vertical scroll and page turns
- Document browser for file organization
- Quick Look for various file types
- ZIP file preview without unzipping
- 8 handwriting tools
- Cache manager for fast page turns
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PDF Notes S gives you a 2 pages viewer with horizontal/vertical scroll, and cache for fast page turns, and thumbnails scrollbar. PDF Notes S gives you ZIP Preview, Quick Look of documents, images, music, videos, and etc. PDF Notes S gives you Document Browser so that you can organize all your files very easily. PDF Viewer - 1 page or 2 pages, horizontal or vertical fast page turns - Scroll or page turns by tap on sides - 8 handwriting tools that you can adjust color and line width - Horizontal or vertical thumbnails scrollbar - PDF outlines, bookmarks, and annotations list - PDF search - Cache manager supports 3 modes, permanent cache, automatic cache, and no cache Quick Look, ZIP Preview - PDF, RTF, TEXT - iWork documents, Office documents - Images, Music, PiP Videos - Without Unzip, preview ZIP contents (password may be requested if locked) Advertisements before upgrade - Banner ads can be shown at the bottom - Interstitial ads can be shown per 30 minutes Information about the auto-renewable nature of the subscription - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. A link to privacy policy and terms of use - http://blog.musebook.com/2017/03/privacy-policy.html The length of the subscription - Monthly or Yearly NOTE: All content contained herein is subject to change without notice.
PDFora
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PDFora – Scan, Read & Edit PDF All-in-one PDF toolkit designed for speed, simplicity, and control. PDFora helps you scan, read, organize, and edit PDF documents in one powerful app. Whether you’re managing work files, study materials, contracts, or personal documents, everything you need is right here. * Powerful PDF Scanner Turn paper into high-quality PDFs in seconds. • Smart edge detection • Auto crop & perspective correction • Multiple page scanning • Export in high resolution • Convert photos to PDF * Smooth & Fast PDF Reader Read documents comfortably anytime. • Lightning-fast rendering • Night mode & eye-friendly reading • Bookmark important pages • Quick file search • Continuous and single page modes * Easy PDF Editing Tools Edit your documents with precision. • Highlight, underline & annotate • Add text and comments • Draw or sign with your finger or Apple Pencil • Reorder, rotate & delete pages • Merge and split PDFs • Compress file size * Smart File Management Stay organized effortlessly. • Create folders & tags • Rename and sort files • Quick access to recent documents • Secure important files * Designed for Productivity PDFora is built for people who work with documents daily. Clean interface. No clutter. Just powerful tools that get the job done. Perfect for: • Students • Professionals • Freelancers • Remote workers • Business users * Privacy First Your files stay on your device unless you choose to share them. Premium Features • AI Tools: Chat, summarize, count, and extract data from documents • Scan & OCR: Convert documents and images into editable text • Edit PDFs: Compress, lock/unlock, and add smart signatures Free usage included: • AI chat (5 messages), AI counting (3 uses) • OCR, compression, lock/unlock (3 uses each) • Smart signature (3 signatures) • Scan first 3 pages On-device AI is free. Upgrade to Premium for unlimited access and advanced AI. AI features may process your documents securely. On-device AI runs locally on your device, while some advanced features may use cloud-based AI. Download PDFora today and take full control of your documents. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: PDFora at none against PDF Notes S's shown. PDF Notes S's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, 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
Both are free to download. PDF Notes S sells 2 in-app purchases, starting at $0.99 per month and PDFora sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
PDF Notes S ships an update every 6 weeks, PDFora every 2 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | PDF Notes S | PDFora |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 52.9% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 22 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | AMuseTec Co., Ltd. | Hien Nguyen |
In-app purchases
PDF Notes S
- Monthly Plan$0.991 Month
- Yearly Plan$9.991 Year
PDFora
- Premium Pro Monthly$5.991 Month
- Premium Pro Yearly$39.991 Year









