# Avi Pdf Pro vs PDF Guard(Pro)

The clearest difference is price: Avi Pdf Pro at Free against PDF Guard(Pro)'s $2.99. Avi Pdf Pro also leads on update cadence (every 2 months vs every 20 months). PDF Guard(Pro)'s advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Avi Pdf Pro is free to download; PDF Guard(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Avi Pdf Pro ships an update every 2 months, PDF Guard(Pro) every 20 months. The most recent releases landed on August 28, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Avi Pdf Pro | PDF Guard(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/avi-pdf-pro/id1469857534/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | Free | — |
| Size | 40 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Navjot Singh](https://appshunter.io/developer/1469857533) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### Avi Pdf Pro

[App page](https://appshunter.io/ios/app/avi-pdf-pro/id1469857534)

This utility app offers a comprehensive suite of tools for managing PDF files. Easily create, merge, lock, unlock, and watermark PDFs using images or your phone's camera. Your files are processed securely and deleted from servers after completion.

**Highlights:** Create PDF files, Merge PDF files, Lock PDF files, Unlock PDF files, Watermark PDF files, Use phone images or camera

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

**In-app purchases:** none


### PDF Guard(Pro)

[App page](https://appshunter.io/ios/app/pdf-guardpro/id6475249016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Avi Pdf Pro free?

Avi Pdf Pro is free to download, with no in-app purchases.

### Is PDF Guard(Pro) free?

PDF Guard(Pro) costs $2.99, with no in-app purchases.

### Do Avi Pdf Pro or PDF Guard(Pro) have ads?

Neither Avi Pdf Pro nor PDF Guard(Pro) shows ads.

### Which is updated more often, Avi Pdf Pro or PDF Guard(Pro)?

Avi Pdf Pro ships an update every 2 months, and PDF Guard(Pro) every 20 months. Most recently, Avi Pdf Pro was updated on August 28, 2026 and PDF Guard(Pro) on September 7, 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.*