# PDF Reader Pro Edition® vs GLK Connect+

The clearest difference is in-app purchases: GLK Connect+ at none against PDF Reader Pro Edition®'s 3. GLK Connect+ also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Reader Pro Edition® sells 3 in-app purchases, starting at $3.99 per month. GLK Connect+ asks for nothing beyond the download.

PDF Reader Pro Edition® ships an update every 4 months, GLK Connect+ every 5 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro Edition® | GLK Connect+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.7K ratings)](https://appshunter.io/ios/app/pdf-reader-pro-edition/id364502063/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 53.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | — |
| Size | 137 MB | 25 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [iTECH DEVELOPMENT SYSTEMS INC.](https://appshunter.io/developer/298779208) | [Globalink Logistics](https://appshunter.io/developer/1848290398) |

## What reviewers say

### PDF Reader Pro Edition®

[App page](https://appshunter.io/ios/app/pdf-reader-pro-edition/id364502063)

This powerful application allows users to read, manage, edit, and annotate PDF files on iOS devices. It offers real-time online collaboration, form filling, and advanced annotation tools. Create, organize, and secure your PDF documents with ease.

**Highlights:** Real-time online collaboration and chat, Fillable PDF forms, Extensive annotation tools (highlight, notes, signature), EasyReview mode for text markup, Create new PDF files, Secure Vault folder, Built-in scanner

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro & AI-Powered Tools (1 Month) | $3.99 | per month |
| PDF Reader Pro Edition Loyalty | $9.99 | per year |
| Pro & AI-Powered Tools (1 Year) | $24.99 | per year |

**What reviewers like**

- 🚀 Fast and easy to use
- 📁 Good file organization and management
- ✍️ Useful annotation and highlighting tools
- 🔒 Secure document storage

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔍 Poor search functionality
- 📤 Difficulty sharing/exporting annotated files
- 🤔 Unintuitive user interface

**Reported bugs**

- App crashes when opening certain PDF files
- Annotations disappear or fail to save
- Compatibility issues with newer iOS versions
- Slow performance on older iPad models

**Requested features**

- Add support for password-protected PDFs
- Improve annotation tools with better undo/redo
- Implement cloud storage integration (Dropbox, iCloud, etc.)
- Add ability to insert, delete, and rearrange PDF pages


### GLK Connect+

[App page](https://appshunter.io/ios/app/glk-connect-plus/id6754445663)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader Pro Edition® free?

PDF Reader Pro Edition® is free to download, with in-app purchases available.

### Is GLK Connect+ free?

GLK Connect+ is free to download, with no in-app purchases.

### Do PDF Reader Pro Edition® or GLK Connect+ have ads?

Neither PDF Reader Pro Edition® nor GLK Connect+ shows ads.

### Which is updated more often, PDF Reader Pro Edition® or GLK Connect+?

PDF Reader Pro Edition® ships an update every 4 months, and GLK Connect+ every 5 months. Most recently, PDF Reader Pro Edition® was updated on October 29, 2026 and GLK Connect+ on October 28, 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.*