# PDF Cabinet vs PDF Notes S

The clearest difference is in-app purchases: PDF Cabinet at none against PDF Notes S's 2. PDF Cabinet also leads on ads (none vs shown) and review sentiment (66% vs 53%). PDF Notes S's advantage is rating (4.2 vs 3.8). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Notes S sells 2 in-app purchases, starting at $0.99 per month. PDF Cabinet asks for nothing beyond the download.

PDF Notes S holds the better App Store score, 4.2 against 3.8. That said, the two scores are not equally well evidenced: PDF Cabinet has 56 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 66% of PDF Cabinet's written reviews are positive against 53% of PDF Notes S's, so the app with the better star average is not the one people write more warmly about.

PDF Cabinet ships an update every 5 weeks, PDF Notes S every 6 weeks. The most recent releases landed on October 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PDF Cabinet | PDF Notes S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (56 ratings)](https://appshunter.io/ios/app/pdf-cabinet/id764366087/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/pdf-notes-s/id961336139/reviews)** |
| Number of ratings | **56** | 5 |
| Positive reviews | **66.1% of reviews** | 52.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 75 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bright Nine SIA](https://appshunter.io/developer/1891636727) | [AMuseTec Co., Ltd.](https://appshunter.io/developer/342152781) |

## What reviewers say

### PDF Cabinet

[App page](https://appshunter.io/ios/app/pdf-cabinet/id764366087)

This application offers a streamlined PDF experience for reading and annotating documents. It focuses on essential features with an intuitive interface, making it easy to mark up PDFs, share annotations, and collaborate in real-time with others. Optimized for performance, it handles large documents efficiently.

**Highlights:** Effortless PDF annotation, Intuitive user interface, Fast document review with thumbnails, Annotations sharing, Real-time collaboration, Quick note taking

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth performance
- 👍 Intuitive and user-friendly interface
- 💡 Excellent annotation tools
- 🚀 Fast and responsive
- 👍 Simple and clean design

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 💡 Limited highlighter and pen customization
- 💡 Lack of iCloud/cloud sync support
- 🐛 Text disappearing issue
- 🐛 Slow document loading and navigation

**Reported bugs**

- Randomly deleting files
- Sync issues causing loss of annotations
- Crashing when opening large documents
- Navigation problems when zoomed in
- Annotations not exporting properly

**Requested features**

- Add more highlighter and pen color options
- Implement palm rejection for Apple Pencil
- Add ability to resize and move annotation tools
- Improve cloud/sync functionality (iCloud, Dropbox, etc.)
- Implement vertical scrolling for continuous reading


### PDF Notes S

[App page](https://appshunter.io/ios/app/pdf-notes-s/id961336139)

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.

**Highlights:** 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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is PDF Cabinet free?

PDF Cabinet is free to download, with no in-app purchases.

### Is PDF Notes S free?

PDF Notes S is free to download, with in-app purchases available.

### Which has better reviews, PDF Cabinet or PDF Notes S?

PDF Notes S is rated higher. PDF Cabinet averages 3.8 out of 5 from 56 ratings, while PDF Notes S averages 4.2 from 5 ratings.

### Do PDF Cabinet or PDF Notes S have ads?

PDF Notes S shows ads; PDF Cabinet does not.

### Which is updated more often, PDF Cabinet or PDF Notes S?

PDF Cabinet ships an update every 5 weeks, and PDF Notes S every 6 weeks. Most recently, PDF Cabinet was updated on October 6, 2026 and PDF Notes S on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*