# PDF Reader Pro vs PDF Vault

The clearest difference is review sentiment: PDF Reader Pro at 100% against PDF Vault's 50%. PDF Reader Pro also leads on in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.1). PDF Vault's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price and device support there is nothing between them.

Both are free to download. PDF Vault sells 2 in-app purchases, starting at $4.99 per month. PDF Reader Pro asks for nothing beyond the download.

PDF Reader Pro ships an update every 4 months, PDF Vault fortnightly. The most recent releases landed on September 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro | PDF Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-3d-edition/id1598489368/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 4 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Parmar](https://appshunter.io/developer/1596410760) | [Dmytro Skorokhod](https://appshunter.io/developer/994177751) |

## What reviewers say

### PDF Reader Pro

[App page](https://appshunter.io/ios/app/pdf-reader-pro-3d-edition/id1598489368)

Experience PDFs in an extraordinary 3D view with this pro PDF reader. It offers a unique 3D book-like reading experience with light and dark modes, and supports both portrait and landscape orientations. Easily share your documents with other applications.

**Highlights:** 3D PDF reading experience, Light and Dark Mode support, Portrait and Landscape orientation, Open Source, Share PDFs to other apps

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

**In-app purchases:** none


### PDF Vault

[App page](https://appshunter.io/ios/app/pdf-vault-document-app/id1599303874)

This ultra-lightweight application offers a comprehensive suite of PDF tools, including text-to-speech functionality, digital signing, document scanning, organization, and instant translation. It's designed for efficiency and ease of use, saving device space while enhancing productivity for work, study, or personal tasks.

**Highlights:** Text-to-speech for PDFs, Digital document signing, Scan paper documents to PDF, Organize and manage PDF files, Instant document translation, Ultra-lightweight and fast

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mox PDF Tool Unlimited Monthly | $4.99 | per month |
| Mox PDF Tool Unlimited Annually | $19.99 | per year |


## Frequently asked questions

### Is PDF Reader Pro free?

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

### Is PDF Vault free?

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

### Do PDF Reader Pro or PDF Vault have ads?

PDF Reader Pro shows ads; PDF Vault does not.

### Which is updated more often, PDF Reader Pro or PDF Vault?

PDF Reader Pro ships an update every 4 months, and PDF Vault fortnightly. Most recently, PDF Reader Pro was updated on September 28, 2026 and PDF Vault on October 12, 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.*