# PDF Vault vs PDF Reader Pro

The clearest difference is review sentiment: PDF Vault at 50% against PDF Reader Pro's 0%. PDF Vault also leads on update cadence (fortnightly vs every 2 months) and device support (3 vs 1). PDF Reader Pro's advantage is iOS requirement (16.0 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Vault sells 2 in-app purchases, starting at $4.99 per month and PDF Reader Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Vault ships an update fortnightly, PDF Reader Pro every 2 months. The most recent releases landed on September 26, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | PDF Vault | PDF Reader Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 10 MB |
| Requires iOS | 18.1 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Skorokhod](https://appshunter.io/developer/994177751) | [Kamalkumar Trapasiya](https://appshunter.io/developer/1587617174) |

## What reviewers say

### 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 |


### PDF Reader Pro

[App page](https://appshunter.io/ios/app/pdf-reader-pro-ebook-reader/id6502579674)

This application provides a seamless experience for managing and viewing PDF documents on iOS. It offers high-quality rendering, intuitive navigation, and powerful search capabilities to help you access and organize your files efficiently.

**Highlights:** Effortless PDF file management, High-quality PDF rendering, Quick page navigation, Table of contents and bookmarking, Instant search functionality, Streamlined interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Access | $6.99 | one-time |


## Frequently asked questions

### Is PDF Vault free?

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

### Is PDF Reader Pro free?

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

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

Neither PDF Vault nor PDF Reader Pro shows ads.

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

PDF Vault ships an update fortnightly, and PDF Reader Pro every 2 months. Most recently, PDF Vault was updated on September 26, 2026 and PDF Reader Pro on August 14, 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.*