# PDF Margin Adjuster vs GUGA

The clearest difference is in-app purchases: PDF Margin Adjuster at none against GUGA's 3. PDF Margin Adjuster also leads on review sentiment (83% vs 70%) and iOS requirement (13.0 vs 15.0). GUGA's advantage is update cadence (every 4 days vs every 3 months) and ratings volume (163 vs 45). On price, rating, ads and device support there is nothing between them.

Both are free to download. GUGA sells 3 one-off in-app purchases. PDF Margin Adjuster asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for PDF Margin Adjuster against 4.7 for GUGA. Both are backed by a comparable volume of ratings — 45 and 163 respectively. Written reviews are what separate them: 83% of PDF Margin Adjuster's written reviews are positive against 70% of GUGA's.

PDF Margin Adjuster ships an update every 3 months, GUGA every 4 days. The most recent releases landed on July 14, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | PDF Margin Adjuster | GUGA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (45 ratings)](https://appshunter.io/ios/app/pdf-margin-adjuster/id1450718650/reviews) | **[4.7 (163 ratings)](https://appshunter.io/ios/app/guga-hyperboard/id1619055819/reviews)** |
| Number of ratings | 45 | **163** |
| Positive reviews | **83.3% of reviews** | 70.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 705 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yohei Iseki](https://appshunter.io/developer/1450718649) | [GutenbergGalaxy Technology Co.](https://appshunter.io/developer/1592037946) |

## What reviewers say

### 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


### GUGA

[App page](https://appshunter.io/ios/app/guga-hyperboard/id1619055819)

This app combines notebook, whiteboard, and card functionalities for diverse learning needs. It allows for importing various formats, multi-layer handwriting, and creating interconnected learning materials. Share your progress and access cross-device data with ease.

**Highlights:** Import various notebook formats, Multi-layer handwriting support, Create and link cards, Multi-level whiteboard functionality, Cross-device data sharing, Community sharing platform

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Limited-time Discount C | $4.99 | one-time |
| Limited-time Discount B | $6.99 | one-time |
| Unlock GUGA PRO | $9.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface
- 💡 Handwriting search capability
- 🌟 Good for note-taking and studying
- 🎨 Beautiful app design
- ✍️ Natural pen strokes

**What reviewers complain about**

- 🐛 Pencil direction not rotating
- 🐛 Terms and Privacy Policy not accessible
- 🐛 Cannot log in
- 🐛 iCloud sync glitchy
- 🐛 Notes erased when switching devices

**Reported bugs**

- Pencil direction does not rotate with pencil movement
- Cannot check Terms and Privacy Policy on first app open
- Cannot log in
- iCloud sync is glitchy
- Notes get erased when switching devices

**Requested features**

- Allow Apple Pencil to transition to previous tool
- Adapt to Apple Pencil Pro squeeze gesture
- Return to previous PDF card viewing mode
- Allow Mac OS version with iCloud syncing
- Add auto backup to other cloud drives (Google Drive, OneDrive)


## Frequently asked questions

### Is PDF Margin Adjuster free?

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

### Is GUGA free?

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

### Which has better reviews, PDF Margin Adjuster or GUGA?

GUGA is rated higher. PDF Margin Adjuster averages 4.6 out of 5 from 45 ratings, while GUGA averages 4.7 from 163 ratings.

### Do PDF Margin Adjuster or GUGA have ads?

Neither PDF Margin Adjuster nor GUGA shows ads.

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

PDF Margin Adjuster ships an update every 3 months, and GUGA every 4 days. Most recently, PDF Margin Adjuster was updated on July 14, 2026 and GUGA on July 3, 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.*