# MarginNote 3 vs PDF Margin Adjuster

The clearest difference is in-app purchases: PDF Margin Adjuster at none against MarginNote 3's 5. PDF Margin Adjuster also leads on review sentiment (83% vs 75%). MarginNote 3's advantage is ratings volume (5K vs 47) and update cadence (every 6 weeks vs every 3 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. MarginNote 3 sells 5 in-app purchases, starting at $0.99 per month. PDF Margin Adjuster asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for MarginNote 3 against 4.6 for PDF Margin Adjuster. That said, the two scores are not equally well evidenced: MarginNote 3 has 5K ratings behind it against 47, so its average is the more settled of the two. Written reviews are what separate them: 75% of MarginNote 3's written reviews are positive against 83% of PDF Margin Adjuster's.

MarginNote 3 ships an update every 6 weeks, PDF Margin Adjuster every 3 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | MarginNote 3 | PDF Margin Adjuster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/marginnote-3/id1348317163/reviews)** | [4.6 (47 ratings)](https://appshunter.io/ios/app/pdf-margin-adjuster/id1450718650/reviews) |
| Number of ratings | **5K** | 47 |
| Positive reviews | 74.6% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 392 MB | 1 MB |
| Requires iOS | **11.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Yunsi Software Technology Co., Ltd](https://appshunter.io/developer/723205556) | [Yohei Iseki](https://appshunter.io/developer/1450718649) |

## What reviewers say

### MarginNote 3

[App page](https://appshunter.io/ios/app/marginnote-3/id1348317163)

This app redefines studying by integrating e-reading with powerful annotation, mind mapping, and flashcard tools. Organize knowledge, connect ideas with hashtags, and enhance memory retention through spaced repetition. It offers a seamless workflow across multiple documents and devices.

**Highlights:** Integrated PDF/EPUB reader, Advanced annotation tools, Mind mapping and outline organization, Flashcard creation and Anki export, Multi-document support, Handwriting and Apple Pencil support, OCR for scanned PDFs

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OCR Pro (Monthly) | $0.99 | per month |
| OCR Pro (Annually) | $9.49 | per year |
| 14 days Free Trial | Free | one-time |
| Unlock Full | $12.99 | one-time |
| Upgrade to Full | $12.99 | one-time |

**What reviewers like**

- 🚀 Powerful and efficient for studying and research
- 👍 Excellent mind mapping and note-taking features
- 💡 Unique and innovative functionality like video annotation
- 🚀 Handles large volumes of documents and notes well
- 👍 Useful for organizing and synthesizing information from multiple sources

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 👎 Steep learning curve and lack of comprehensive documentation
- 👎 Unreliable cloud syncing between devices
- 👎 Cluttered and unintuitive user interface in some areas
- 🐛 Bugs and glitches with certain features like handwriting and OCR

**Reported bugs**

- Syncing issues causing data loss across devices
- Crashes and freezes when working with large documents
- Inconsistent behavior with highlighting, erasing, and text formatting
- OCR not functioning reliably for non-Latin scripts
- Difficulty managing and organizing large document libraries

**Requested features**

- Improved export options and ability to share projects
- Better integration with other productivity apps like Anki
- More customization options for mind maps and annotations
- Smoother handwriting experience and better palm rejection
- Support for more file formats like PowerPoint


### PDF Margin Adjuster

[App page](https://appshunter.io/ios/app/pdf-margin-adjuster/id1450718650)

Easily modify the margins of your PDF, PPT, and PPTX files. This app offers interactive tools to adjust margins precisely, from simple adjustments to advanced, side-specific controls. Save your modified documents directly to your device or cloud storage.

**Highlights:** Interactive margin adjustment, Simple, advanced, and expert modes, Adjust margins side-by-side, Save to device or iCloud, Share to other applications, Supports PDF, PPT, PPTX files

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MarginNote 3 free?

MarginNote 3 is free to download, with in-app purchases available.

### Is PDF Margin Adjuster free?

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

### Which has better reviews, MarginNote 3 or PDF Margin Adjuster?

MarginNote 3 is rated higher. MarginNote 3 averages 4.7 out of 5 from 5K ratings, while PDF Margin Adjuster averages 4.6 from 47 ratings.

### Do MarginNote 3 or PDF Margin Adjuster have ads?

Neither MarginNote 3 nor PDF Margin Adjuster shows ads.

### Which is updated more often, MarginNote 3 or PDF Margin Adjuster?

MarginNote 3 ships an update every 6 weeks, and PDF Margin Adjuster every 3 months. Most recently, MarginNote 3 was updated on November 6, 2026 and PDF Margin Adjuster on November 2, 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.*