# PDF Reader & PDF Viewer App vs StoreKey

The clearest difference is in-app purchases: StoreKey at none against PDF Reader & PDF Viewer App's 9. StoreKey also leads on ads (none vs shown) and update cadence (every 9 days vs monthly). PDF Reader & PDF Viewer App's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price there is nothing between them.

Both are free to download. PDF Reader & PDF Viewer App sells 8 in-app purchases, starting at $4.49 per 7 days. StoreKey asks for nothing beyond the download.

PDF Reader & PDF Viewer App ships an update monthly, StoreKey every 9 days. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | PDF Reader & PDF Viewer App | StoreKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/pdf-reader-and-pdf-viewer-app/id6467587935/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Quy Son](https://appshunter.io/developer/1594539200) | [Metin Kayan](https://appshunter.io/developer/1868237694) |

## What reviewers say

### PDF Reader & PDF Viewer App

[App page](https://appshunter.io/ios/app/pdf-reader-and-pdf-viewer-app/id6467587935)

Easily read and manage PDF files on your mobile device. Organize documents by renaming, sharing, and bookmarking them for quick access. This user-friendly tool allows you to view ebooks and PDF books anywhere, anytime.

**Highlights:** Read any PDF file, Organize documents, Rename files, Bookmark files, User-friendly interface, Share documents

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - PDF Reader | $4.49 | per 7 days |
| Weekly - PDF Reader | $4.49 | per 7 days |
| Monthly - PDF Reader | $7.99 | per month |
| Weekly Pro - PDF Reader | $7.99 | per 7 days |
| Monthly Pro - PDF Reader | $9.99 | per month |
| Sale yearly - PDF Reader | $18.99 | per year |
| Yearly - PDF Reader | $31.49 | per year |
| 3 Day free trial - Yearly Pro | $49.99 | per year |


### StoreKey

[App page](https://appshunter.io/ios/app/storekey/id6757680618)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader & PDF Viewer App free?

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

### Is StoreKey free?

StoreKey is free to download, with no in-app purchases.

### Do PDF Reader & PDF Viewer App or StoreKey have ads?

PDF Reader & PDF Viewer App shows ads; StoreKey does not.

### Which is updated more often, PDF Reader & PDF Viewer App or StoreKey?

PDF Reader & PDF Viewer App ships an update monthly, and StoreKey every 9 days. Most recently, PDF Reader & PDF Viewer App was updated on October 2, 2026 and StoreKey on September 23, 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.*