# PDF Vault vs PDF Reader PDF Viewer

The clearest difference is iOS requirement: PDF Reader PDF Viewer at 13.0 against PDF Vault's 18.1. On price, update cadence, ads and in-app purchases 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 PDF Viewer sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Vault ships an update fortnightly, PDF Reader PDF Viewer every 3 weeks. The most recent releases landed on September 26, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | PDF Vault | PDF Reader PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 13 MB |
| Requires iOS | 18.1 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Skorokhod](https://appshunter.io/developer/994177751) | [Mohit Rudani](https://appshunter.io/developer/1673702969) |

## 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 PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445)

Edit, sign, and share PDF documents on your iPhone. Import files from your gallery, convert them to PDF, and manage all your documents in one place. Offers a simple interface for reading, annotating, and creating PDFs.

**Highlights:** Edit and sign PDF documents, Import and convert to PDF, Read, comment, and annotate PDFs, Create new PDF files, Share documents as PDF, Offline PDF viewing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for 1 Month | $0.99 | per month |
| Remove ads for 1 Year | $3.99 | per year |


## Frequently asked questions

### Is PDF Vault free?

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

### Is PDF Reader PDF Viewer free?

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

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

Neither PDF Vault nor PDF Reader PDF Viewer shows ads.

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

PDF Vault ships an update fortnightly, and PDF Reader PDF Viewer every 3 weeks. Most recently, PDF Vault was updated on September 26, 2026 and PDF Reader PDF Viewer on June 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*